CN115420944B - But intelligent ammeter of electric quantity analysis and inquiry based on bluetooth communication - Google Patents
But intelligent ammeter of electric quantity analysis and inquiry based on bluetooth communication Download PDFInfo
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- CN115420944B CN115420944B CN202211050186.2A CN202211050186A CN115420944B CN 115420944 B CN115420944 B CN 115420944B CN 202211050186 A CN202211050186 A CN 202211050186A CN 115420944 B CN115420944 B CN 115420944B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention relates to the technical field of power monitoring, and particularly discloses an intelligent electric energy meter capable of analyzing and inquiring electric quantity based on Bluetooth communication, wherein the system comprises a data acquisition end, a power generation end and a power generation end, wherein the data acquisition end is used for acquiring electric power parameters containing time information in real time; the data transfer end is used for establishing a Bluetooth connection channel and receiving the power parameters sent by the data acquisition end based on the Bluetooth connection channel; the data processing end is used for sequentially reading the power parameters in the data transfer end and classifying the power parameters according to the identification information; and comparing and verifying the same kind of electric power parameters. The invention adds the data transfer end between the data acquisition end and the data processing end, so that the data of each data acquisition end is transferred by at least two data transfer ends, and the transmission process of the data transfer ends is based on the Bluetooth communication technology; the data processing end can compare and analyze the data acquired by the data transfer ends, judge whether the data transmission process has problems, and further determine the processing measures.
Description
Technical Field
The invention relates to the technical field of power monitoring, in particular to an intelligent electric energy meter capable of analyzing and inquiring electric quantity based on Bluetooth communication.
Background
The power system is a unified whole formed by secondary facilities such as power generation, power supply (power transmission, power transformation and power distribution), power utilization facilities, regulation control, relay protection and safety automatic devices, metering devices, dispatching automation, power communication and the like which are required for guaranteeing the normal operation of the power system.
The importance of the power system is self-evident, so that the power parameters of the power system need to be acquired and stored in real time, and the equipment for acquiring the power parameters in real time is often some intelligent meters, and the meter data are uniformly stored and displayed by the control system; it is conceivable that a data transmission process exists between the intelligent meter and the control system; a large amount of electromagnetic fields exist around the power line, and the electromagnetic fields may affect the data transmission process, so that the acquired power parameters are wrong; therefore, how to improve the accuracy of the acquired power parameters is a technical problem that the present invention intends to solve.
Disclosure of Invention
The invention aims to provide an intelligent electric energy meter capable of analyzing and inquiring electric quantity based on Bluetooth communication, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an intelligent ammeter based on bluetooth communication can electric quantity analysis and inquiry, the intelligent ammeter includes:
the data acquisition terminal is used for acquiring the electric power parameters containing the time information in real time and carrying out fluctuation identification on the electric power parameters; clustering the power parameters based on time information according to a fluctuation identification result to obtain a power parameter table indexed by time periods; the power parameter table contains identification information of a data acquisition end; the detection points corresponding to the data acquisition end contain the same identification information; receiving a Bluetooth connection request of a data transfer terminal, establishing a Bluetooth communication channel, and transmitting the power parameter table taking the time period as an index to the data transfer terminal based on the Bluetooth connection channel;
the data transfer terminal is used for sending a Bluetooth connection request to the data acquisition terminal, establishing a Bluetooth connection channel, and receiving a power parameter table taking a time period as an index sent by the data acquisition terminal based on the Bluetooth connection channel;
the data processing end is used for sequentially reading the power parameter table containing the identification information in the data transfer end, and classifying the power parameter table according to the identification information; comparing and verifying the similar power parameter tables, and updating a power database of a corresponding data processing end in a preset power supply model according to a comparison and verification result; and receiving a query request containing identification information sent by a user based on the power supply model in real time, and positioning and displaying a corresponding power database according to the identification information.
As a further scheme of the invention: the data acquisition end comprises:
the fluctuation identification module is used for acquiring the electric power parameters containing the time information in real time and carrying out fluctuation identification on the electric power parameters;
the parameter clustering module is used for clustering the power parameters based on time information according to the fluctuation identification result to obtain a power parameter table taking a time period as an index; the power parameter table contains identification information of a data acquisition end; the detection points corresponding to the data acquisition end contain the same identification information;
the data transmitting module is used for receiving the Bluetooth connection request of the data transfer terminal, establishing a Bluetooth communication channel, and transmitting the power parameter table taking the time period as an index to the data transfer terminal based on the Bluetooth communication channel.
As a further scheme of the invention: one data transfer end corresponds to a plurality of data acquisition ends, and any one data acquisition end corresponds to at least two data transfer ends.
As a further scheme of the invention: the data processing end comprises:
the parameter table classification module is used for sequentially reading the power parameter tables containing the identification information in the data transfer terminal and classifying the power parameter tables according to the identification information;
the comparison verification module is used for carrying out comparison verification on the similar power parameter tables, and updating the power database of the corresponding data processing end in a preset power supply model according to the comparison verification result;
and the query display module is used for receiving a query request containing identification information sent by a user in real time based on the power supply model, and positioning and displaying a corresponding power database according to the identification information.
As a further scheme of the invention: the fluctuation recognition module includes:
the parameter conversion unit is used for acquiring the electric power parameters containing time information in real time, and inputting the electric power parameters into a trained conversion model to obtain an electric power characteristic value;
the characteristic array generating unit is used for extracting the electric power characteristic value at regular time according to a preset step length to obtain a characteristic array; the subscript of the feature array is determined by time information;
and the change rate calculation unit is used for sequentially calculating the change rates of adjacent numerical values in the feature array to obtain a change rate array corresponding to the feature array.
As a further scheme of the invention: the parameter clustering module comprises:
the data segmentation unit is used for reading the characteristic array and the change rate array thereof, and segmenting the change rate in the change rate array according to a preset step change rate threshold value to obtain subsections taking the change rate range as labels;
the boundary determining unit is used for inquiring the content corresponding to each subsection in the feature array and determining boundary time information;
the data reading unit is used for reading the acquired power parameters according to the boundary time information to obtain a power parameter table taking the time period as an index; the time period is determined by boundary time information.
As a further scheme of the invention: the data transfer terminal comprises:
the local oscillation module is used for acquiring a fast frequency hopping signal;
the down-conversion module is used for converting the fast frequency hopping signal into an intermediate frequency signal according to the slow frequency hopping local oscillation signal provided by the local oscillation module;
the power amplification module is used for amplifying the intermediate frequency signal;
and the signal receiving and transmitting module is used for selecting a transmission channel and transmitting the amplified intermediate frequency signal based on the transmission channel.
As a further scheme of the invention: the data transfer end further comprises:
the external signal receiving module is used for acquiring external signals when the data transfer terminal is in a receiving state and selecting intermediate frequency signals from the external signals;
the frequency conversion module is used for converting intermediate frequency signals in the external signals into radio frequency signals according to the slow frequency hopping local oscillation signals provided by the local oscillation module;
and the signal processing module is used for converting the radio frequency signal and the baseband signal.
As a further scheme of the invention: the parameter table classification module comprises:
the parameter table reading unit is used for sequentially reading the power parameter table containing the identification information in the data transfer terminal;
the operation record reading unit is used for positioning the corresponding data acquisition end according to the identification information and acquiring the operation record of the data acquisition end;
a validity determination unit configured to determine validity of each power parameter table according to the operation record; the validity includes at least valid and invalid;
and the execution unit is used for classifying the power parameter table according to the identification information.
As a further scheme of the invention: the comparison verification module comprises:
the calibration unit is used for acquiring the same type of power parameter table and calibrating the power parameter table according to the time period of the power parameter table;
the matching degree calculating unit is used for comparing the calibrated power parameter tables and calculating the matching degree; the matching degree is used for representing the difference between the power parameter tables;
the line positioning unit is used for positioning a transmission line in a preset power supply model according to the identification information when the matching degree meets the preset matching requirement;
the average value calculation unit is used for calculating the average value of each data in the power parameter table to obtain an average value parameter table;
and the data insertion unit is used for inserting the average value parameter table into the power database corresponding to the transmission line according to the time period.
Compared with the prior art, the invention has the beneficial effects that: the invention adds the data transfer end between the data acquisition end and the data processing end, so that the data of each data acquisition end is transferred by at least two data transfer ends, and the transmission process of the data transfer ends is based on the Bluetooth communication technology; the data processing end can compare and analyze the data acquired by the data transfer ends, judge whether the data transmission process has problems, and further determine the processing measures.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a block diagram of the constitution of an intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication.
Fig. 2 is a block diagram of the composition and structure of the wave identification module in the data acquisition end.
Fig. 3 is a block diagram of the composition and structure of a parameter clustering module in the data acquisition end.
Fig. 4 is a block diagram of the composition and structure of a parameter table classification module in the data processing end.
Fig. 5 is a block diagram of the composition structure of the comparison verification module in the data processing end.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Fig. 1 is a block diagram of a composition structure of an intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication, in an embodiment of the present invention, an intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication, the intelligent electric energy meter includes:
the data acquisition end 10 is used for acquiring the electric power parameters containing time information in real time and carrying out fluctuation identification on the electric power parameters; clustering the power parameters based on time information according to a fluctuation identification result to obtain a power parameter table indexed by time periods; the power parameter table contains identification information of a data acquisition end; the detection points corresponding to the data acquisition end contain the same identification information; receiving a Bluetooth connection request of a data transfer terminal, establishing a Bluetooth communication channel, and transmitting the power parameter table taking the time period as an index to the data transfer terminal based on the Bluetooth connection channel;
the data transfer terminal 20 is configured to send a bluetooth connection request to the data acquisition terminal, establish a bluetooth connection channel, and receive a power parameter table with a time period as an index sent by the data acquisition terminal based on the bluetooth connection channel;
the data processing end 30 is configured to sequentially read the power parameter tables containing the identification information in the data transfer end, and classify the power parameter tables according to the identification information; comparing and verifying the similar power parameter tables, and updating a power database of a corresponding data processing end in a preset power supply model according to a comparison and verification result; and receiving a query request containing identification information sent by a user based on the power supply model in real time, and positioning and displaying a corresponding power database according to the identification information.
The technical scheme of the invention is that a three-terminal interactive system is respectively a data acquisition terminal 10, a data transfer terminal 20 and a data processing terminal 30, wherein the data acquisition terminal 10 and the data transfer terminal 20 mutually transmit data through a network, and the data transfer terminal 20 and the data processing terminal 30 mutually transmit data through the network; it should be noted that, in general, there is no data transmission relationship between the data acquisition end 10 and the data processing end 30, but for some data acquisition ends 10 that are particularly important, a worker may also set up a data transmission channel for directly acquiring and controlling the data acquisition end 10 (bottom layer). The network may be a medium for providing a communication link between the care end and the patient end, or may be a wireless communication link, without further limitation.
The data acquisition terminal 10 may be hardware or software. When the patient end is hardware, the patient end can be a power parameter collector with a communication function, including but not limited to a voltmeter, an ammeter and the like; when the terminal is software, the terminal can be installed in the electronic equipment.
The data transfer terminal 20 is of a relatively large variety, and is actually a microprocessor with data receiving and transmitting functions, and the staff considers the cost according to actual requirements.
The data processing end 30 may be hardware or software. When the patient side is hardware, it is typically a server cluster, which processes acquired data on the one hand, and interacts with the user on the other hand, displaying the data to the user or receiving instructions from the user.
It should be understood that the number of data acquisition terminals 10, data transfer terminals 20, and data processing terminals 30 in fig. 1 is merely illustrative. Any number of care, family and patient ends may be provided, as desired.
In one example of the present invention, the data obtaining terminal 10 includes:
the fluctuation identification module 11 is used for acquiring the electric power parameters containing time information in real time and carrying out fluctuation identification on the electric power parameters;
the parameter clustering module 12 is used for clustering the power parameters based on time information according to the fluctuation recognition result to obtain a power parameter table with time periods as indexes; the power parameter table contains identification information of a data acquisition end; the detection points corresponding to the data acquisition end contain the same identification information;
the data sending module 13 is configured to receive a bluetooth connection request of the data transfer terminal, establish a bluetooth communication channel, and send the power parameter table with the time period as an index to the data transfer terminal based on the bluetooth communication channel.
The foregoing describes modular subdivision of each function of the data acquisition terminal 10, and in general, the function of the data acquisition terminal 10 is to acquire a power parameter, in the process of acquiring the power parameter, some fluctuation identification needs to be performed on the power parameter, a stability can be determined according to the fluctuation identification result, and only one value can be recorded for data with a small fluctuation range, at this time, the power parameter can be greatly simplified, and finally, a power parameter table is obtained.
Further, one data transfer terminal 20 corresponds to a plurality of data acquisition terminals 10, and any one data acquisition terminal 10 corresponds to at least two data transfer terminals 20. The specific number of the plurality of data obtaining terminals 10 is determined by the staff according to the actual discretion, and the meaning of "plurality of" is not limited to one, and in particular, how much is not limited.
The data processing end 30 includes:
the parameter table classifying module 31 is configured to sequentially read the power parameter tables containing the identification information in the data transfer end, and classify the power parameter tables according to the identification information;
the comparison verification module 32 is configured to perform comparison verification on the similar power parameter table, and update the power database of the corresponding data processing end in a preset power supply model according to the comparison verification result;
the query display module 33 is configured to receive, in real time, a query request including identification information sent by a user based on the power supply model, and locate and display a corresponding power database according to the identification information.
The purpose of the data processing terminal 30 is to analyze the power parameter tables acquired by the plurality of data transfer terminals 20, and it is conceivable that the data of one data acquisition terminal 10 is acquired by the plurality of data transfer terminals 20, and that some data errors easily occur in the data transmission process of the data acquisition terminal 10 due to the influence of the power, so that it can be clearly determined whether the data transmission process of the data acquisition terminal 10 is stable or not compared with the power parameter tables acquired by the plurality of data transfer terminals 20.
Wherein the power supply model is generally referred to as a line model, which is already existing data in the power supply system platform.
Fig. 2 is a block diagram of the composition and structure of the wave motion recognition module 11 in the data acquisition end 10, where the wave motion recognition module 11 includes:
a parameter conversion unit 111, configured to obtain an electric power parameter containing time information in real time, and input the electric power parameter into a trained conversion model to obtain an electric power characteristic value;
the feature array generating unit 112 is configured to extract the power feature value at regular time according to a preset step length to obtain a feature array; the subscript of the feature array is determined by time information;
the change rate calculating unit 113 is configured to sequentially calculate the change rates of adjacent values in the feature array, and obtain a change rate array corresponding to the feature array.
The above specifically describes the wave motion identification process, specifically, converting the multi-source heterogeneous power parameters into single values, so as to obtain single values, wherein the single values correspond to the power parameters containing time information, selecting certain values from a plurality of power parameters, and obtaining a feature array, and the step is to simplify the power parameters; it should be noted that the step length in the feature array is fixed; from the feature array, a change rate array can be determined, which can be used as a result of the wave motion recognition.
Fig. 3 is a block diagram of the composition and structure of the parameter clustering module 12 in the data obtaining end 10, where the parameter clustering module 12 includes:
the data segmentation unit 121 is configured to read the feature array and the change rate array thereof, segment the change rate in the change rate array according to a preset step-type change rate threshold, and obtain a subsection with a change rate range as a label;
a boundary determining unit 122, configured to query the feature array for content corresponding to each sub-segment, and determine boundary time information;
a data reading unit 123, configured to read the obtained power parameter according to the boundary time information, and obtain a power parameter table with a time period as an index; the time period is determined by boundary time information.
A small rate of change indicates that there is little change in the power parameter for the corresponding time period, and at this time, one power parameter may be used to represent all the power parameters for the time period. This way the power parameter table can be greatly simplified.
As a preferred embodiment of the present invention, the data transfer terminal includes:
the local oscillation module is used for acquiring a fast frequency hopping signal;
the down-conversion module is used for converting the fast frequency hopping signal into an intermediate frequency signal according to the slow frequency hopping local oscillation signal provided by the local oscillation module;
the power amplification module is used for amplifying the intermediate frequency signal;
and the signal receiving and transmitting module is used for selecting a transmission channel and transmitting the amplified intermediate frequency signal based on the transmission channel.
Further, the data transfer end further includes:
the external signal receiving module is used for acquiring external signals when the data transfer terminal is in a receiving state and selecting intermediate frequency signals from the external signals;
the frequency conversion module is used for converting intermediate frequency signals in the external signals into radio frequency signals according to the slow frequency hopping local oscillation signals provided by the local oscillation module;
and the signal processing module is used for converting the radio frequency signal and the baseband signal.
The above-mentioned content has carried out specific description to bluetooth communication process, increases the local oscillator module on the basis of traditional bluetooth communication technique, provides slow hopping signal, carries out the slow hopping processing procedure through increasing the signal, produces the signal of bimodulus frequency hopping and communicates, has promoted the interference immunity of signal. This expansion process can be used to reference the prior art.
Fig. 4 is a block diagram illustrating a structure of a parameter table classification module 31 in the data processing end 30, where the parameter table classification module 31 includes:
a parameter table reading unit 311, configured to sequentially read a power parameter table containing identification information in the data transfer end;
an operation record reading unit 312, configured to locate a corresponding data acquisition end according to the identification information, and obtain an operation record of the data acquisition end;
a validity determination unit 313 for determining the validity of each power parameter table based on the operation record; the validity includes at least valid and invalid;
and an execution unit 314 for classifying the power parameter table according to the identification information.
The identification information can be used for positioning the data acquisition end, and in the technical scheme of the invention, the data transmission process of the data acquisition end is faced, so as to judge whether a problem exists in the data transmission process, and if the data acquisition end has a problem, it is conceivable that the analysis of the data transmission process is meaningless; therefore, the above-mentioned content adds a power parameter table judging process based on the operation record.
Fig. 5 is a block diagram of the composition and structure of the comparison and verification module 32 in the data processing end 30, where the comparison and verification module 32 includes:
the calibration unit 321 is configured to obtain a similar power parameter table, and calibrate the power parameter table according to a time period of the power parameter table;
a matching degree calculating unit 322, configured to compare the calibrated power parameter tables, and calculate a matching degree; the matching degree is used for representing the difference between the power parameter tables;
a line locating unit 323, configured to locate a transmission line in a preset power supply model according to the identification information when the matching degree meets a preset matching requirement;
a mean value calculating unit 324, configured to calculate a mean value of each data in the power parameter table, so as to obtain a mean value parameter table;
and a data inserting unit 325, configured to insert the average value parameter table into the power database corresponding to the transmission line according to a time period.
The comparison and verification module 32, as its name implies, determines whether there is a difference between the power parameter tables, and because the power parameter tables contain time information and because there may be some slight differences between the power parameter tables due to the influence of the power data itself, it is necessary to set a calibration step; further, judging whether a plurality of power parameter tables with particularly large differences exist among the power parameter tables of the same identification information, if so, indicating that the data transmission process possibly has problems, and further analyzing is needed; if no problem exists, counting the power parameter tables, performing average value calculation to obtain an average value parameter table, and connecting the average value parameter table to a corresponding power database according to time information.
The functions of the intelligent electric energy meter capable of analyzing and inquiring the electric quantity based on the Bluetooth communication are completed by computer equipment, the computer equipment comprises one or more processors and one or more memories, at least one program code is stored in the one or more memories, and the program code is loaded and executed by the one or more processors to realize the functions of the intelligent electric energy meter capable of analyzing and inquiring the electric quantity based on the Bluetooth communication.
The processor takes out instructions from the memory one by one, analyzes the instructions, then completes corresponding operation according to the instruction requirement, generates a series of control commands, enables all parts of the computer to automatically, continuously and cooperatively act to form an organic whole, realizes the input of programs, the input of data, the operation and the output of results, and the arithmetic operation or the logic operation generated in the process is completed by the arithmetic unit; the Memory comprises a Read-Only Memory (ROM) for storing a computer program, and a protection device is arranged outside the Memory.
For example, a computer program may be split into one or more modules, one or more modules stored in memory and executed by a processor to perform the present invention. One or more of the modules may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program in the terminal device.
It will be appreciated by those skilled in the art that the foregoing description of the service device is merely an example and is not meant to be limiting, and may include more or fewer components than the foregoing description, or may combine certain components, or different components, such as may include input-output devices, network access devices, buses, etc.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center of the terminal device described above, and which connects the various parts of the entire user terminal using various interfaces and lines.
The memory may be used for storing computer programs and/or modules, and the processor may implement various functions of the terminal device by running or executing the computer programs and/or modules stored in the memory and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as an information acquisition template display function, a product information release function, etc.), and the like; the storage data area may store data created according to the use of the berth status display system (e.g., product information acquisition templates corresponding to different product types, product information required to be released by different product providers, etc.), and so on. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
The modules/units integrated in the terminal device may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as separate products. Based on this understanding, the present invention may implement all or part of the modules/units in the system of the above-described embodiments, or may be implemented by instructing the relevant hardware by a computer program, which may be stored in a computer-readable storage medium, and which, when executed by a processor, may implement the functions of the respective system embodiments described above. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (5)
1. But intelligent ammeter of electric quantity analysis and inquiry based on bluetooth communication, its characterized in that, intelligent ammeter includes:
the data acquisition terminal is used for acquiring the electric power parameters containing the time information in real time and carrying out fluctuation identification on the electric power parameters; clustering the power parameters based on time information according to a fluctuation identification result to obtain a power parameter table indexed by time periods; the power parameter table contains identification information of a data acquisition end; the detection points corresponding to the data acquisition end contain the same identification information; receiving a Bluetooth connection request of a data transfer terminal, establishing a Bluetooth communication channel, and transmitting the power parameter table taking the time period as an index to the data transfer terminal based on the Bluetooth connection channel;
the data transfer terminal is used for sending a Bluetooth connection request to the data acquisition terminal, establishing a Bluetooth connection channel, and receiving a power parameter table taking a time period as an index sent by the data acquisition terminal based on the Bluetooth connection channel;
the data processing end is used for sequentially reading the power parameter table containing the identification information in the data transfer end, and classifying the power parameter table according to the identification information; comparing and verifying the similar power parameter tables, and updating a power database of a corresponding data processing end in a preset power supply model according to a comparison and verification result; receiving a query request containing identification information sent by a user in real time based on a power supply model, and positioning and displaying a corresponding power database according to the identification information;
the data acquisition end comprises:
the fluctuation identification module is used for acquiring the electric power parameters containing the time information in real time and carrying out fluctuation identification on the electric power parameters;
the parameter clustering module is used for clustering the power parameters based on time information according to the fluctuation identification result to obtain a power parameter table taking a time period as an index; the power parameter table contains identification information of a data acquisition end; the detection points corresponding to the data acquisition end contain the same identification information;
the data transmitting module is used for receiving a Bluetooth connection request of the data transfer terminal, establishing a Bluetooth communication channel, and transmitting the power parameter table taking the time period as an index to the data transfer terminal based on the Bluetooth communication channel;
one data transfer end corresponds to a plurality of data acquisition ends, and any one data acquisition end corresponds to at least two data transfer ends;
the data processing end comprises:
the parameter table classification module is used for sequentially reading the power parameter tables containing the identification information in the data transfer terminal and classifying the power parameter tables according to the identification information;
the comparison verification module is used for carrying out comparison verification on the similar power parameter tables, and updating the power database of the corresponding data processing end in a preset power supply model according to the comparison verification result;
the query display module is used for receiving a query request containing identification information sent by a user in real time based on the power supply model, and positioning and displaying a corresponding power database according to the identification information;
the fluctuation recognition module includes:
the parameter conversion unit is used for acquiring the electric power parameters containing time information in real time, and inputting the electric power parameters into a trained conversion model to obtain an electric power characteristic value;
the characteristic array generating unit is used for extracting the electric power characteristic value at regular time according to a preset step length to obtain a characteristic array; the subscript of the feature array is determined by time information;
the change rate calculation unit is used for sequentially calculating the change rates of adjacent numerical values in the feature array to obtain a change rate array corresponding to the feature array;
the parameter clustering module comprises:
the data segmentation unit is used for reading the characteristic array and the change rate array thereof, and segmenting the change rate in the change rate array according to a preset step change rate threshold value to obtain subsections taking the change rate range as labels;
the boundary determining unit is used for inquiring the content corresponding to each subsection in the feature array and determining boundary time information;
the data reading unit is used for reading the acquired power parameters according to the boundary time information to obtain a power parameter table taking the time period as an index; the time period is determined by boundary time information.
2. The intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication according to claim 1, wherein the data transfer terminal comprises:
the local oscillation module is used for acquiring a fast frequency hopping signal;
the down-conversion module is used for converting the fast frequency hopping signal into an intermediate frequency signal according to the slow frequency hopping local oscillation signal provided by the local oscillation module;
the power amplification module is used for amplifying the intermediate frequency signal;
and the signal receiving and transmitting module is used for selecting a transmission channel and transmitting the amplified intermediate frequency signal based on the transmission channel.
3. The intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication according to claim 1, wherein the data transfer terminal further comprises:
the external signal receiving module is used for acquiring external signals when the data transfer terminal is in a receiving state and selecting intermediate frequency signals from the external signals;
the frequency conversion module is used for converting intermediate frequency signals in the external signals into radio frequency signals according to the slow frequency hopping local oscillation signals provided by the local oscillation module;
and the signal processing module is used for converting the radio frequency signal and the baseband signal.
4. The intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication according to claim 1, wherein the parameter table classification module comprises:
the parameter table reading unit is used for sequentially reading the power parameter table containing the identification information in the data transfer terminal;
the operation record reading unit is used for positioning the corresponding data acquisition end according to the identification information and acquiring the operation record of the data acquisition end;
a validity determination unit configured to determine validity of each power parameter table according to the operation record; the validity includes at least valid and invalid;
and the execution unit is used for classifying the power parameter table according to the identification information.
5. The intelligent electric energy meter capable of analyzing and inquiring electricity based on bluetooth communication according to claim 1, wherein the comparison and verification module comprises:
the calibration unit is used for acquiring the same type of power parameter table and calibrating the power parameter table according to the time period of the power parameter table;
the matching degree calculating unit is used for comparing the calibrated power parameter tables and calculating the matching degree; the matching degree is used for representing the difference between the power parameter tables;
the line positioning unit is used for positioning a transmission line in a preset power supply model according to the identification information when the matching degree meets the preset matching requirement;
the average value calculation unit is used for calculating the average value of each data in the power parameter table to obtain an average value parameter table;
and the data insertion unit is used for inserting the average value parameter table into the power database corresponding to the transmission line according to the time period.
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