CN111060729A - Electricity stealing prevention method and system for intelligent electric meter - Google Patents
Electricity stealing prevention method and system for intelligent electric meter Download PDFInfo
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- CN111060729A CN111060729A CN201911416236.2A CN201911416236A CN111060729A CN 111060729 A CN111060729 A CN 111060729A CN 201911416236 A CN201911416236 A CN 201911416236A CN 111060729 A CN111060729 A CN 111060729A
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Abstract
The invention discloses an electricity larceny prevention method and system of an intelligent ammeter. Judging whether state parameters of a Hall magnetic sensor in the intelligent ammeter can be acquired within set time, and if so, continuing to execute; acquiring the electricity selling quantity of the intelligent ammeter in unit time and the electricity selling quantity and the power supply quantity of a piece area where the intelligent ammeter is located; calculating the electric energy utilization rate and the electric energy consumption of the electric quantity sold by the intelligent electric meter in the region; inputting the electric energy utilization rate and the electric energy loss of the intelligent ammeter into a power consumption analysis model for judgment, and if electricity stealing exists in a judgment result, sending a preliminary electricity stealing alarm; and comparing the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with the historical data of the intelligent electric meter, wherein the intelligent electric meter is used for giving an initial electric larceny alarm, and if the comparison result is greater than a set threshold value, giving an electric larceny alarm. The invention can effectively prevent electricity stealing behavior under the condition of destroying the hardware of the Hall magnetic sensor of the intelligent ammeter.
Description
Technical Field
The invention relates to the technical field of intelligent electric meters, in particular to an electricity larceny prevention method and system of an intelligent electric meter.
Background
The intelligent electric meter is an intelligent terminal of an intelligent power grid, has the functions of bidirectional multi-rate metering, user side control, bidirectional data communication in multiple data transmission modes, electricity larceny prevention and other intelligent functions in order to adapt to the use of the intelligent power grid and new energy besides the metering function of basic electricity consumption of the traditional electric meter, and represents the development direction of an intelligent terminal of a future energy-saving intelligent power grid end user.
Because present smart electric meter adopts the mode of mutual-inductor more, its theory of operation does, according to the electromagnetic induction principle, when the ammeter circular telegram, produces the magnetic field at current coil and voltage coil, forms turning moment on the aluminium disc, drives the counter through drive gear, and the current voltage is big more, and the torque is big more, and the count is faster, and the power consumption is more. According to the latest national regulations, the intelligent electric meter is required to be additionally provided with an anti-theft function, an anti-theft electromagnetic field applied from the outside by a user can be detected by using the Hall magnetic sensor, when someone tries to apply the external magnetic field to damage the counter of the electric meter, the Hall magnetic sensor detects the external magnetic field, and a corresponding response is made by an anti-theft system, so that the anti-theft function is realized.
However, in daily life, when the smart meter (taking out the hall magnetic sensor in the meter) is modified or the hall magnetic sensor is damaged, and then the electric energy meter counter is damaged by applying an external magnetic field, the phenomenon of electricity stealing is sometimes caused. How to solve the technical problems becomes a difficult problem to be solved urgently.
Disclosure of Invention
The invention aims to provide an electricity larceny prevention method and system of an intelligent ammeter, and aims to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an electricity larceny prevention method of an intelligent ammeter is characterized by comprising the following steps:
judging whether state parameters of a Hall magnetic sensor in the intelligent ammeter can be acquired within set time, if so, continuing execution, and otherwise, stopping execution;
acquiring the electricity selling quantity of the intelligent ammeter in unit time and the electricity selling quantity and the power supply quantity of a piece area where the intelligent ammeter is located;
calculating the electric energy utilization rate and the electric energy consumption of the electric quantity sold by the intelligent electric meter in the region;
inputting the electric energy utilization rate and the electric energy loss of the intelligent electric meter into a power consumption analysis model for judgment, if the judgment result shows that electricity is stolen, sending a preliminary electricity stealing alarm, and if not, executing the steps again;
and comparing the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with historical data of the intelligent electric meter, wherein the primary electric-stealing alarm occurs, if the comparison result is greater than a set threshold value, sending an electric-stealing alarm, and otherwise, executing the steps again.
Further, the determining whether the state parameter of the hall magnetic sensor in the smart meter can be acquired within the set time specifically includes:
acquiring working parameters of the Hall magnetic sensor within set time;
adding a unique identifier into the working parameters of the Hall magnetic sensor to form state parameters, wherein the unique identifier records the ID information and the acquisition time of the intelligent ammeter;
and capturing the state parameters of the Hall magnetic sensor into a local database.
Further, the acquiring the electricity sales amount of the smart electric meter and the electricity sales amount and the electricity supply amount of the area where the smart electric meter is located in unit time specifically includes:
acquiring the electricity selling amount of the intelligent ammeter in unit time;
the method comprises the steps that a cell where the intelligent electric meter is located is taken as a district, and the power supply quantity and the electricity selling quantity of the district in unit time are obtained;
and storing the electricity selling quantity of the intelligent electric meter, the power supply quantity of the district and the electricity selling quantity in a local database.
Further, the specific formula for calculating the electric energy utilization rate and the electric energy consumption of the electricity selling amount of the intelligent electric meter in the district is as follows:
P＝B/G，S＝(H/G+K)×B；
wherein, P is the electric energy utilization rate, S is the electric energy consumption, B is the selling electricity quantity of the intelligent electric meter in unit time, G is the power supply quantity of the district in unit time, H is the selling electricity quantity of the district in unit time, and K is the natural consumption rate.
Further, the method for determining the power consumption analysis model includes:
if the value of the power supply G of the chip area where the intelligent electric meter is located tends to be stable within a set time, executing the following electricity stealing analysis and judgment method:
if the electric energy utilization rate of the intelligent ammeter is larger than or equal to a set threshold value and the electric energy loss of the intelligent ammeter is larger than or equal to the set threshold value, judging that a preliminary electricity stealing alarm is given;
if the electric energy utilization rate of the intelligent ammeter is larger than or equal to a set threshold value and the electric energy loss of the intelligent ammeter is smaller than the set threshold value, judging that an alarm is increased for the electricity consumption of the user;
if the electric energy utilization rate of the intelligent ammeter is smaller than a set threshold value and the electric energy loss of the intelligent ammeter is smaller than the set threshold value, judging that the user normally uses electricity;
and if the numerical value of the power supply amount G of the chip area where the intelligent electric meter is located is in a fluctuation state within a set time, correcting the power supply amount G, recalculating the electric energy utilization rate and the electric energy loss amount according to the corrected power supply amount G, and executing the recalculation according to the electricity stealing analysis and judgment method.
Further, when the preliminary electricity stealing alarm is judged, the method also comprises the following steps:
recording the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with the electricity stealing behavior;
and forming a one-to-one correspondence relationship between the electricity stealing behaviors of the intelligent electric meter and the records of the electric energy utilization rate and the electric energy consumption amount, and storing the one-to-one correspondence relationship in a database to form an electricity stealing behavior database.
And further, when the preliminary electricity stealing alarm is judged, the electric energy utilization rate and the electric energy loss of the intelligent electric meter are input into an electricity stealing behavior database for correction so as to form accurate preliminary electricity stealing alarm data.
Further, the correcting the power supply amount G specifically includes:
judging whether a temporary electricity utilization record exists in a zone where the intelligent electric meter is located, and if so, continuing to execute the operation;
acquiring the power consumption and the loss of all temporary electric equipment in the area;
and the power consumption and the loss of all temporary electric equipment in the district are removed from the power supply quantity and the electricity selling quantity in the unit time of the district where the intelligent electric meter is located, and the electric energy utilization rate and the electric energy loss of the intelligent electric meter are recalculated.
Further, the method for acquiring the temporary electricity utilization record comprises the following steps: and calling from a temporary electricity utilization record database of a power supply station, and recording the calling time, data and calling application once each time the calling is carried out.
The invention also provides an electricity larceny prevention system of the intelligent ammeter, which comprises the following components:
the judging unit is used for judging whether the state parameters of the Hall magnetic sensor in the intelligent ammeter can be acquired within set time, if so, the execution is continued, and if not, the execution is stopped;
the intelligent electric meter comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring the selling electricity quantity of the intelligent electric meter in unit time and the selling electricity quantity and the power supply quantity of a piece area where the intelligent electric meter is located;
the calculating unit is used for calculating the electric energy utilization rate and the electric energy loss of the electric quantity sold by the intelligent electric meter in the region;
the power consumption analysis unit is used for inputting the electric energy utilization rate and the electric energy loss of the intelligent ammeter into a power consumption analysis model for judgment, if the judgment result shows that electricity is stolen, a preliminary electricity stealing alarm is sent, and if not, the steps are executed again;
and the comparison unit is used for comparing the electric energy utilization rate and the electric energy loss of the intelligent electric meter with the historical data of the intelligent electric meter, wherein the initial electric-larceny alarm occurs, if the comparison result is greater than a set threshold value, the electric-larceny alarm is sent out, and if not, the steps are executed again.
Compared with the prior art, the invention has the advantages that: the accuracy of judging the electricity stealing behavior of the intelligent ammeter is over 99 percent, the electricity stealing behavior under the condition that the hardware of the Hall magnetic sensor of the intelligent ammeter is considered to be damaged can be effectively prevented, and the method is simple, convenient to use and suitable for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart of a method for preventing electricity theft of an intelligent electric meter.
Fig. 2 is a detailed flowchart of step S10 in the present invention.
Fig. 3 is a detailed flowchart of step S20 in the present invention.
Fig. 4 is a detailed flowchart of step S40 in the present invention.
Fig. 5 is a flowchart for correcting the power supply amount G in the present invention.
Fig. 6 is a detailed flowchart of step S50 in the present invention.
Fig. 7 is a block diagram of a system for preventing electricity theft of a smart meter according to the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1, the method for preventing electricity theft of an intelligent electric meter in the embodiment includes the following steps:
step S10: the method is characterized in that the current intelligent ammeter adopts the Hall magnetic sensor to judge whether electricity stealing behavior occurs or not, however, when the Hall magnetic sensor is damaged or removed, the function will be lost, and the Hall magnetic sensor cannot send any data, so the method is adopted to judge whether electricity stealing behavior occurs or not if the state parameters of the Hall magnetic sensor in the intelligent ammeter are not obtained within a certain time.
Specifically, referring to fig. 2, the determining whether the state parameter of the hall magnetic sensor in the smart meter can be acquired within the set time specifically includes:
step S110: the working parameters of the hall magnetic sensor are obtained within a set time (which can be selected according to actual needs), including various parameters of the hall magnetic sensor, including but not limited to: input resistance, output resistance, maximum excitation current, sensitivity, maximum magnetic induction, and the like.
Step S120: adding a unique identifier into the working parameters of the Hall magnetic sensor to form state parameters, wherein the unique identifier records the ID information and the acquisition time of the intelligent electric meter, so that the data of each intelligent electric meter can be ensured to be stored independently, and whether the Hall magnetic sensor is damaged or not acquires the data can be judged, for example: when the working parameters of the hall magnetic sensor are acquired three times, the working parameters are not acquired in the middle, and the working parameters can be acquired in the front and the back, which indicates that the hall magnetic sensor is not damaged, but the data is not acquired due to a certain difference in the acquisition process.
Step S130: the state parameters of the Hall magnetic sensor are captured into a local database so as to be convenient for storage and user calling and checking, and the time is saved.
Step S20: the method comprises the steps of obtaining the electricity selling amount of the intelligent electric meter in unit time and the electricity selling amount and the power supply amount of a district where the intelligent electric meter is located, setting the district where the intelligent electric meter is located as a small district, a building or a community according to needs, and dividing the district into smaller districts when the required sensitivity is higher so as to facilitate management.
Specifically, referring to fig. 3, the acquiring the electricity sales amount of the smart meter and the electricity sales amount and the electricity supply amount of the area where the smart meter is located in unit time specifically includes:
step S210: and acquiring the selling electricity quantity B of the intelligent electric meter in unit time (which can be set according to needs), wherein the selling electricity quantity can be read from a counter of the intelligent electric meter (if the intelligent electric meter steals electricity, the data is smaller than the actual selling electricity quantity).
Step S220: the method comprises the steps that a cell where the intelligent electric meter is located is taken as a district, and the power supply quantity G and the electricity selling quantity H of the district in unit time (which can be set according to needs) are obtained;
step S230: and storing the electricity selling amount B of the district where the intelligent electric meter is located, the power supply amount G and the electricity selling amount H of the district in a local database so as to facilitate subsequent calculation.
Step S30: calculating the electric energy utilization rate and the electric energy consumption of the electric quantity sold by the intelligent electric meter in the region;
specifically, the specific formula for calculating the electric energy utilization rate and the electric energy consumption of the electricity selling amount of the intelligent electric meter in the district is as follows:
P＝B/G，S＝(H/G+K)×B；
wherein, P is the electric energy utilization rate, S is the electric energy consumption, B is the selling electricity quantity of the smart meter in unit time, G is the power supply quantity of the district in unit time, H is the selling electricity quantity of the district in unit time, and K is the natural consumption rate (which can be directly selected from the existing data).
Step S40: inputting the electric energy utilization rate and the electric energy loss of the intelligent electric meter into a power consumption analysis model for judgment, if the judgment result shows that electricity is stolen, sending a preliminary electricity stealing alarm, and if not, executing the steps again;
specifically, referring to fig. 4, the method for determining the power consumption analysis model includes:
step S410: if the value of the power supply G of the chip area where the intelligent electric meter is located tends to be stable within a set time, executing the following electricity stealing analysis and judgment method:
if the electric energy utilization rate of the intelligent ammeter is larger than or equal to a set threshold value and the electric energy loss of the intelligent ammeter is larger than or equal to the set threshold value, judging that a preliminary electricity stealing alarm is given;
if the electric energy utilization rate of the intelligent ammeter is larger than or equal to a set threshold value and the electric energy loss of the intelligent ammeter is smaller than the set threshold value, judging that an alarm is increased for the electricity consumption of the user;
if the electric energy utilization rate of the intelligent ammeter is smaller than a set threshold value and the electric energy loss of the intelligent ammeter is smaller than the set threshold value, judging that the user normally uses electricity;
step S420: and if the numerical value of the power supply amount G of the chip area where the intelligent electric meter is located is in a fluctuation state within a set time, correcting the power supply amount G, recalculating the electric energy utilization rate and the electric energy loss amount according to the corrected power supply amount G, and executing the recalculation according to the electricity stealing analysis and judgment method.
Specifically, referring to fig. 5, the correcting the power supply amount G specifically includes:
step S4210: judging whether a temporary electricity utilization record exists in a zone where the intelligent electric meter is located, and if so, continuing to execute the operation;
step S4220: acquiring the power consumption and the loss of all temporary electric equipment in the area;
step S4230: and the power consumption and the loss of all temporary electric equipment in the district are removed from the power supply quantity and the electricity selling quantity in the unit time of the district where the intelligent electric meter is located, and the electric energy utilization rate and the electric energy loss of the intelligent electric meter are recalculated.
In this embodiment, the method for acquiring the temporary power utilization record includes: and calling from a temporary electricity utilization record database of a power supply bureau, and recording the calling time, data and calling application once each time the temporary electricity utilization record database is called so as to meet the management requirement and be convenient for calling and using.
Step S50: and comparing the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with historical data of the intelligent electric meter, wherein the primary electric-stealing alarm occurs, if the comparison result is greater than a set threshold value (which can be set according to the requirement of sensitivity), sending an electric-stealing alarm, and otherwise, executing the steps again.
Specifically, referring to fig. 6, when it is determined that the preliminary electricity stealing alarm is performed, the method further includes the following steps:
step S510: recording the electric energy utilization rate and the electric energy consumption of the intelligent ammeter with the primary electricity stealing alarm and the historical data of the intelligent ammeter;
step S520: and carrying out one-to-one correspondence relation between the electricity stealing behavior of the intelligent electric meter and the records of the electricity utilization rate and the electricity consumption of the intelligent electric meter and the historical data of the intelligent electric meter, and storing the electricity stealing behavior in a database to form an electricity stealing behavior database.
Step S530: the electric energy utilization rate and the electric energy consumption of the intelligent electric meter which gives an alarm when the preliminary electricity stealing is judged to give an alarm when the historical data of the intelligent electric meter are input into the electricity stealing behavior database, and the electric energy utilization rate and the electric energy consumption of the intelligent electric meter are corrected to form accurate preliminary electricity stealing alarm data.
Referring to fig. 7, the embodiment further provides an electricity larceny prevention system for an intelligent electric meter, including: the judging unit 100 is configured to judge whether a state parameter of a hall magnetic sensor in the smart meter can be acquired within a set time, if yes, continue execution, and if not, terminate execution; an obtaining unit 200, configured to obtain a selling electricity amount of the smart meter and a selling electricity amount and a power supply amount of a zone where the smart meter is located in a unit time; the calculating unit 300 is used for calculating the electric energy utilization rate and the electric energy consumption of the electricity selling amount of the intelligent electric meter in the district; the power consumption analysis unit 400 is used for inputting the electric energy utilization rate and the electric energy loss of the intelligent electric meter into a power consumption analysis model for judgment, if the judgment result shows that electricity is stolen, a preliminary electricity stealing alarm is sent out, and if not, the steps are executed again; and the comparison unit 500 is used for comparing the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with the historical data of the intelligent electric meter, wherein the primary electric-larceny alarm occurs, if the comparison result is greater than a set threshold value, the electric-larceny alarm is sent out, and if not, the steps are executed again.
The electricity stealing prevention system of the smart meter provided by this embodiment is mainly integrated in a cloud platform, and may be a network server, that is, a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and its hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like. The system can be a desktop computer, a notebook, a palm computer, a cloud server and other computing equipment. The computer equipment can carry out man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
By implementing the method, the accuracy of judging the electricity stealing behavior of the intelligent ammeter is up to more than 99%, the electricity stealing behavior under the condition that the hardware of the Hall magnetic sensor of the intelligent ammeter is considered to be damaged can be effectively prevented, and the method is simple, convenient to use and suitable for popularization and use.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. An electricity larceny prevention method of an intelligent ammeter is characterized by comprising the following steps:
judging whether state parameters of a Hall magnetic sensor in the intelligent ammeter can be acquired within set time, if so, continuing execution, and otherwise, stopping execution;
acquiring the electricity selling quantity of the intelligent ammeter in unit time and the electricity selling quantity and the power supply quantity of a piece area where the intelligent ammeter is located;
calculating the electric energy utilization rate and the electric energy consumption of the electric quantity sold by the intelligent electric meter in the region;
inputting the electric energy utilization rate and the electric energy loss of the intelligent electric meter into a power consumption analysis model for judgment, if the judgment result shows that electricity is stolen, sending a preliminary electricity stealing alarm, and if not, executing the steps again;
and comparing the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with historical data of the intelligent electric meter, wherein the primary electric-stealing alarm occurs, if the comparison result is greater than a set threshold value, sending an electric-stealing alarm, and otherwise, executing the steps again.
2. The electricity larceny prevention method for the intelligent electric meter according to claim 1, wherein the step of judging whether the state parameters of the hall magnetic sensor in the intelligent electric meter can be acquired within the set time specifically comprises the following steps:
acquiring working parameters of the Hall magnetic sensor within set time;
adding a unique identifier into the working parameters of the Hall magnetic sensor to form state parameters, wherein the unique identifier records the ID information and the acquisition time of the intelligent ammeter;
and capturing the state parameters of the Hall magnetic sensor into a local database.
3. The electricity larceny prevention method for the smart meter according to claim 1, wherein the obtaining of the selling electricity amount of the smart meter and the selling electricity amount and the supplying electricity amount of the smart meter in the area in which the smart meter is located in the unit time specifically comprises:
acquiring the electricity selling amount of the intelligent ammeter in unit time;
the method comprises the steps that a cell where the intelligent electric meter is located is taken as a district, and the power supply quantity and the electricity selling quantity of the district in unit time are obtained;
and storing the electricity selling quantity of the intelligent electric meter, the power supply quantity of the district and the electricity selling quantity in a local database.
4. The electricity larceny prevention method for the intelligent ammeter according to claim 1, wherein the specific formula for calculating the electric energy utilization rate and the electric energy loss of the selling electric quantity of the intelligent ammeter in the district is as follows:
P＝B/G，S＝(H/G+K)×B；
wherein, P is the electric energy utilization rate, S is the electric energy consumption, B is the selling electricity quantity of the intelligent electric meter in unit time, G is the power supply quantity of the district in unit time, H is the selling electricity quantity of the district in unit time, and K is the natural consumption rate.
5. The electricity larceny prevention method for the intelligent ammeter according to claim 1, wherein the power consumption analysis model is determined by:
if the value of the power supply G of the chip area where the intelligent electric meter is located tends to be stable within a set time, executing the following electricity stealing analysis and judgment method:
if the electric energy utilization rate of the intelligent ammeter is larger than or equal to a set threshold value and the electric energy loss of the intelligent ammeter is larger than or equal to the set threshold value, judging that a preliminary electricity stealing alarm is given;
if the electric energy utilization rate of the intelligent ammeter is larger than or equal to a set threshold value and the electric energy loss of the intelligent ammeter is smaller than the set threshold value, judging that an alarm is increased for the electricity consumption of the user;
if the electric energy utilization rate of the intelligent ammeter is smaller than a set threshold value and the electric energy loss of the intelligent ammeter is smaller than the set threshold value, judging that the user normally uses electricity;
and if the numerical value of the power supply amount G of the chip area where the intelligent electric meter is located is in a fluctuation state within a set time, correcting the power supply amount G, recalculating the electric energy utilization rate and the electric energy loss amount according to the corrected power supply amount G, and executing the recalculation according to the electricity stealing analysis and judgment method.
6. The electricity larceny prevention method of the intelligent ammeter according to claim 5, further comprising the following steps when the preliminary electricity larceny alarm is judged:
recording the electric energy utilization rate and the electric energy consumption of the intelligent electric meter with the electricity stealing behavior;
and forming a one-to-one correspondence relationship between the electricity stealing behaviors of the intelligent electric meter and the records of the electric energy utilization rate and the electric energy consumption amount, and storing the one-to-one correspondence relationship in a database to form an electricity stealing behavior database.
7. The electricity larceny prevention method of the intelligent electric meter according to claim 6, wherein when the preliminary electricity larceny alarm is determined, the electric energy utilization rate and the electric energy loss of the intelligent electric meter are further inputted into the electricity larceny behavior database for correction so as to form accurate preliminary electricity larceny alarm data.
8. The electricity larceny prevention method for the intelligent ammeter according to claim 5, wherein the modification of the supply amount G specifically comprises:
judging whether a temporary electricity utilization record exists in a zone where the intelligent electric meter is located, and if so, continuing to execute the operation;
acquiring the power consumption and the loss of all temporary electric equipment in the area;
and the power consumption and the loss of all temporary electric equipment in the district are removed from the power supply quantity and the electricity selling quantity in the unit time of the district where the intelligent electric meter is located, and the electric energy utilization rate and the electric energy loss of the intelligent electric meter are recalculated.
9. The electricity larceny prevention method for the intelligent ammeter according to claim 8, wherein the method for obtaining the temporary electricity utilization record comprises the following steps: and calling from a temporary electricity utilization record database of a power supply station, and recording the calling time, data and calling application once each time the calling is carried out.
10. An electricity stealing prevention system of a smart meter, comprising:
the judging unit is used for judging whether the state parameters of the Hall magnetic sensor in the intelligent ammeter can be acquired within set time, if so, the execution is continued, and if not, the execution is stopped;
the intelligent electric meter comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring the selling electricity quantity of the intelligent electric meter in unit time and the selling electricity quantity and the power supply quantity of a piece area where the intelligent electric meter is located;
the calculating unit is used for calculating the electric energy utilization rate and the electric energy loss of the electric quantity sold by the intelligent electric meter in the region;
the power consumption analysis unit is used for inputting the electric energy utilization rate and the electric energy loss of the intelligent ammeter into a power consumption analysis model for judgment, if the judgment result shows that electricity is stolen, a preliminary electricity stealing alarm is sent, and if not, the steps are executed again;
and the comparison unit is used for comparing the electric energy utilization rate and the electric energy loss of the intelligent electric meter with the historical data of the intelligent electric meter, wherein the initial electric-larceny alarm occurs, if the comparison result is greater than a set threshold value, the electric-larceny alarm is sent out, and if not, the steps are executed again.
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| CN113030541A (en) * | 2021-04-21 | 2021-06-25 | 广东电网有限责任公司计量中心 | Intelligent Internet of things electric meter management system and method |
| CN113420912A (en) * | 2021-06-04 | 2021-09-21 | 国网江西省电力有限公司电力科学研究院 | Method for identifying users with low-voltage abnormality of power distribution network |
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