CN111398675A - Electric energy meter reading method, device and system - Google Patents
Electric energy meter reading method, device and system Download PDFInfo
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- CN111398675A CN111398675A CN202010223146.8A CN202010223146A CN111398675A CN 111398675 A CN111398675 A CN 111398675A CN 202010223146 A CN202010223146 A CN 202010223146A CN 111398675 A CN111398675 A CN 111398675A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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Abstract
The invention discloses a method, a device and a system for reading an electric energy meter, wherein the electric energy meter reading scheme comprises the following steps: acquiring current metering data of the electric energy meter with an abnormal clock; meanwhile, current time is obtained based on a local clock, and meter reading data are generated according to the current metering data and the current time; and reporting the obtained meter reading data. According to the invention, the time when the current metering data is acquired based on the local clock, and the meter reading data is generated according to the acquired current time and the current metering data, so that the abnormal metering data caused by the abnormal work of the electric energy meter clock is avoided.
Description
Technical Field
The invention relates to the field of meter reading, in particular to a method, a device and a system for reading an electric energy meter.
Background
With the discovery of science and technology, a meter reading method is changed from manual meter reading into automatic meter reading by using an intelligent electric energy meter, but the automatic meter reading depends on an electric energy meter clock, so that the normal operation of the electric energy meter clock is ensured, and the method is a precondition for ensuring the normal electricity utilization of consumers.
The current clock calibration method is: the clock of the power consumption information acquisition platform is used as a reference, the power consumption information acquisition platform initiates the power consumption information acquisition platform, and the power consumption information acquisition platform sends the power consumption information to the electric energy meter through the concentrator, so that the clock of the electric energy meter is calibrated. Although the scheme can realize the calibration of the clock of the electric energy meter, the abnormal metering data caused by the abnormal work of the clock cannot be corrected, and the metering and charging accuracy cannot be ensured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method, a device and a system for reading an electric energy meter.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a meter reading method for an electric energy meter comprises the following steps:
acquiring current metering data of the electric energy meter with an abnormal clock;
meanwhile, current time is obtained based on a local clock, and meter reading data are generated according to the current metering data and the current time;
and reporting the obtained meter reading data.
As an implementable embodiment, the method further comprises a local clock calibration step, and the specific steps are as follows:
and acquiring platform time based on a preset local clock calibration rule, and calibrating the local clock based on the platform time.
As an implementation mode, before collecting the current metering data of the electric energy meter with an abnormal clock, the method further comprises the step of judging the electric energy meter with the abnormal clock, and the specific steps are as follows:
reading an electric energy meter clock based on a preset electric energy meter clock deviation detection rule, and calculating the clock deviation of the local clock and the electric energy meter to obtain a deviation value;
and judging whether the corresponding electric energy meter clock is abnormal or not based on the deviation value.
As an implementation manner, the specific step of determining whether the corresponding electric energy meter clock is abnormal based on the deviation value is as follows:
when the deviation value is smaller than or equal to a preset deviation threshold value, judging the electric energy meter to be a normal electric energy meter, otherwise, comparing the deviation value with a preset calibration value;
when the deviation value is less than or equal to the calibration value, calibrating the electric energy meter clock based on the deviation value, and when the calibration fails, judging the electric energy meter as an electric energy meter with abnormal clock, otherwise, judging the electric energy meter as a normal electric energy meter;
and when the deviation value is larger than the calibration value, calibrating the clock of the electric energy meter based on the calibration value, and judging the electric energy meter to be the electric energy meter with abnormal clock.
As one possible embodiment;
and when the deviation value is larger than a preset deviation threshold value, generating time setting alarm information and reporting the time setting alarm information.
As an implementable manner, after judging whether the corresponding electric energy meter clock is abnormal based on the deviation value, the method further comprises a meter reading step aiming at the normal electric energy meter, and the specific steps are as follows:
and collecting and reporting the freezing data of the normal electric energy meter as meter reading data.
The invention also provides a meter reading device of the electric energy meter, which comprises:
the data acquisition module is used for acquiring current metering data of the electric energy meter with an abnormal clock;
the data generation module is used for acquiring current time based on a local clock and generating meter reading data according to the current metering data and the current time;
and the reporting module is used for reporting the obtained meter reading data.
As an implementation manner, the system further comprises a local clock calibration module;
the local clock calibration module is used for acquiring platform time based on a preset local clock calibration rule and calibrating a local clock based on the platform time.
The invention also proposes a computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of any of the methods described above.
The invention also provides an electric energy meter reading system, which comprises an electricity consumption information acquisition platform, an electric energy meter and any electric energy meter reading device, wherein the electric energy meter reading devices are correspondingly connected with the electric energy meter one by one, and each electric energy meter reading device is in signal connection with the electricity consumption information acquisition platform;
when the electric energy meter is an electric energy meter with an abnormal clock, the electric energy meter reading device is used for acquiring current metering data of the electric energy meter, acquiring current time based on a local clock, and generating meter reading data according to the current metering data and the current time;
the electric energy meter reading device is also used for reporting the obtained meter reading data to the electricity utilization information acquisition platform.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
1. the invention only collects the current metering data of the electric energy meter when the clock of the electric energy meter works abnormally, acquires correct current time based on the local clock, and generates corresponding meter reading data according to the current metering data and the current time, thereby ensuring the metering and charging accuracy when the clock of the electric energy meter works abnormally.
2. According to the invention, the platform time is acquired, and the local clock is calibrated based on the platform clock, so that the metering and charging deviation caused by the deviation of the local clock and the platform clock is avoided.
3. The invention detects whether the electric energy meter clock works abnormally by calculating the deviation value of the electric energy meter clock and the local clock, and can automatically calibrate the deviation of the electric energy meter clock, thereby facilitating the maintenance of the electric energy meter.
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 schematic flow chart of a method for reading an electric energy meter according to the present invention;
FIG. 2 is a schematic diagram of module connection of a meter reading device of the electric energy meter according to the present invention;
fig. 3 is a schematic diagram of a working flow of the meter reading system of the electric energy meter according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
Embodiment 1, a method for reading an electric energy meter, as shown in fig. 1, includes the following steps:
s100, collecting current metering data of the electric energy meter with an abnormal clock;
s200, acquiring current time (namely acquiring the time for acquiring current metering data) based on a local clock, and generating meter reading data according to the current metering data and the current time;
note that the local clock is a standard clock, that is, the local clock is consistent with the platform clock of the electricity consumption information acquisition platform.
And S300, reporting the obtained meter reading data.
When the clock of the electric energy meter works abnormally, the electric energy meter cannot generate frozen data (power failure or other faults) according to a preset rule, or the generated frozen data is inaccurate (the electric energy meter generates deviation), so that the measurement and charging of the electric energy condition by an external electric energy information acquisition platform are deviated; however, the metering of the electric energy consumption by the electric energy meter cannot be affected by the abnormal operation of the clock of the electric energy meter, so that the present embodiment only collects the current metering data (i.e., the accumulated amount of the power consumption) of the electric energy meter when the clock of the electric energy meter is abnormal, and inserts the current correct clock identification data item into the current metering data based on the local clock, generates corresponding meter reading data and reports the meter reading data to an external power consumption information acquisition platform, and even if the clock of the electric energy meter is abnormal, the metering and charging accuracy can be ensured.
Further, the method also comprises a local clock calibration step, and the specific steps are as follows:
and acquiring platform time based on a preset local clock calibration rule, and calibrating the local clock based on the platform time.
The platform time is the platform time of the corresponding electricity consumption information acquisition platform, and the embodiment calibrates the local clock based on the platform clock by acquiring the platform time, so that the deviation of metering and charging caused by the deviation of the local clock and the platform clock is avoided.
The local clock calibration rules may be set by those skilled in the relevant art according to actual needs, such as power-on calibration, timing (daily) calibration, and/or calibration in response to local clock calibration instructions.
Further, before acquiring the current metering data of the electric energy meter with the abnormal clock, the method also comprises the step of judging the electric energy meter with the abnormal clock, and the specific steps are as follows:
reading an electric energy meter clock based on a preset electric energy meter clock deviation detection rule, and calculating the clock deviation of the local clock and the electric energy meter to obtain a deviation value;
and judging whether the corresponding electric energy meter clock is abnormal or not based on the deviation value.
A person skilled in the relevant art can set the clock deviation detection rule of the electric energy meter according to actual needs, for example, after the local clock is successfully calibrated, the clock calibration of the electric energy meter, the timing (daily) calibration and/or the calibration in response to the clock calibration of the electric energy meter are performed.
Because the local clock is consistent with the platform clock, the local clock can be compared with the electric energy meter clock, and whether the electric energy meter clock is abnormal or not is judged based on a comparison result.
In the embodiment, the calibration instruction initiated by the corresponding power consumption information acquisition platform is not only responded, but the clock deviation detection rule of the electric energy meter is set according to actual needs, so that the abnormal clock of the electric energy meter can be timely and effectively detected.
Further, the specific step of judging whether the corresponding electric energy meter clock is abnormal based on the deviation value is as follows:
①, when the deviation value is less than or equal to a preset deviation threshold value, judging the electric energy meter to be a normal electric energy meter, otherwise, comparing the deviation value with a preset calibration value;
the deviation threshold can be set by a person skilled in the art according to relevant regulations and actual needs, for example, the deviation threshold is 1min, that is, the deviation is considered to be a reasonable error within 1min, and no correction is needed. In this embodiment, the deviation threshold is 0, that is, the clock of the electric energy meter needs to be consistent with the local clock.
However, due to the technical specifications of the existing electric energy meter and the time synchronization safety requirements of the power system, the electric energy meter does not support a time synchronization mechanism with a step length exceeding 5 minutes, that is, the time synchronization can be performed only once every day, and the span cannot exceed 5 minutes; therefore, the calibration value is 5min, and whether the deviation value can be directly calibrated is judged.
②, when the deviation value is less than or equal to the calibration value, calibrating the electric energy meter clock based on the deviation value, when the calibration fails, judging the electric energy meter as an electric energy meter with abnormal clock, otherwise, judging the electric energy meter as a normal electric energy meter;
when the deviation value of the electric energy meter is less than or equal to 5min, the clock of the electric energy meter can be directly calibrated, so that the inaccuracy of metering and charging caused by the clock deviation of the electric energy meter is eliminated.
③, when the deviation value is larger than the calibration value, calibrating the electric energy meter clock based on the calibration value, and judging the electric energy meter to be the electric energy meter with abnormal clock.
Namely, when the deviation of the clock of the electric energy meter is more than 5min, the deviation of 5min is corrected, the electric energy meter is judged to be the electric energy meter with abnormal clock, and the electric energy consumption is determined without adopting the time of the clock of the electric energy meter until the clock of the electric energy meter is calibrated.
The method and the device can detect whether the clock of the electric energy meter works abnormally or not, can calibrate the deviation of the clock of the electric energy meter, and can automatically calibrate when the clock is not abnormal caused by hardware faults such as power failure or chip damage of the clock of the electric energy meter.
And further, when the deviation value is larger than a preset deviation threshold value, generating time setting alarm information and reporting the time setting alarm information.
In this embodiment, the time setting alarm information is reported to the corresponding power consumption information acquisition platform, the power consumption information acquisition platform records, and related workers can check the time setting alarm information of each electric energy meter through the power consumption information acquisition platform and go to the site to repair or replace the electric energy meter according to the time setting alarm information.
Further, after judging whether the corresponding electric energy meter clock is abnormal or not based on the deviation value, the method also comprises a meter reading step aiming at the normal electric energy meter, and the specific steps are as follows:
and collecting and reporting the freezing data of the normal electric energy meter as meter reading data.
Embodiment 2 is an electric energy meter reading device, as shown in fig. 2, including a data acquisition module 110, a data generation module 120, and a reporting module 130;
the data acquisition module 110 is configured to acquire current metering data of the electric energy meter with an abnormal clock;
the data generating module 120 is configured to obtain current time (time for acquiring current metering data) based on a local clock, and further generate meter reading data according to the current metering data and the current time;
the reporting module 130 is configured to report the obtained meter reading data.
Further, a local clock calibration module 140 is also included;
the local clock calibration module 140 is configured to obtain a platform time based on a preset local clock calibration rule, and is further configured to calibrate a local clock based on the platform time.
Further, the device also comprises an abnormality judgment module 150, wherein the abnormality judgment module 150 comprises a calculation unit and a judgment unit;
the computing unit is used for reading an electric energy meter clock based on a preset electric energy meter clock deviation detection rule, and is also used for computing the clock deviation of the local clock and the electric energy meter to obtain a deviation value;
and the judging unit is used for judging whether the corresponding electric energy meter clock is abnormal or not based on the deviation value.
Further, the determination unit is configured to:
when the deviation value is smaller than or equal to a preset deviation threshold value, judging the electric energy meter to be a normal electric energy meter, otherwise, comparing the deviation value with a preset calibration value;
when the deviation value is less than or equal to the calibration value, calibrating the electric energy meter clock based on the deviation value, and when the calibration fails, judging the electric energy meter as an electric energy meter with abnormal clock, otherwise, judging the electric energy meter as a normal electric energy meter;
and when the deviation value is larger than the calibration value, calibrating the clock of the electric energy meter based on the calibration value, and judging the electric energy meter to be the electric energy meter with abnormal clock.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
Embodiment 3 is a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the method of embodiment 1.
Embodiment 4, an electric energy meter reading system, including an electricity consumption information acquisition platform, an electric energy meter, and the electric energy meter reading devices of embodiment 2, where the electric energy meter reading devices are connected to the electric energy meter in a one-to-one correspondence, and each electric energy meter reading device is connected to the electricity consumption information acquisition platform in a signal manner;
when the electric energy meter is an electric energy meter with an abnormal clock, the electric energy meter reading device is used for acquiring current metering data of the electric energy meter, acquiring current time based on a local clock, and generating meter reading data according to the current metering data and the current time;
the electric energy meter reading device is also used for reporting the obtained meter reading data to the electricity utilization information acquisition platform.
Referring to fig. 3, a specific operation flow of the electric energy meter reading system is described in a specific case.
When the electric energy meter reading device is powered on or at zero point every day, the electric energy meter reading device acquires the platform time of the electricity consumption information acquisition platform so as to calibrate the local clock of the electric energy meter reading device.
After the local clock is calibrated, the electric energy meter reading device reads the corresponding electric energy meter clock and judges whether the communication with the electric energy meter is normal or not, and when the communication with the electric energy meter is normal, the electric energy meter reading device judges whether the electric energy meter clock is deviated from the local clock or not.
When the electric energy meter clock has a deviation with the local clock, the electric energy meter reading device calibrates the electric energy meter clock based on the local clock, when the deviation value is within 5min, the calibration is performed directly, and when the deviation value is larger than 5min, the deviation of 5min is corrected firstly.
And judging whether the clock of the electric energy meter is correct or not, if the clock of the electric energy meter is calibrated, directly acquiring the small-time frozen data of the electric energy meter as meter reading data by the electric energy meter reading device, otherwise, acquiring the current metering data of the electric energy meter, and inserting a correct time identifier into the current metering data based on the local clock to generate corresponding meter reading data.
And the electric energy meter reading device reports the obtained meter reading data to the electricity utilization information acquisition platform.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that:
reference in the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. Thus, the appearances of the phrase "one embodiment" or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes of the structure, the characteristics and the principle of the invention which are described in the patent conception of the invention are included in the protection scope of the patent of the invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A meter reading method of an electric energy meter is characterized by comprising the following steps:
acquiring current metering data of the electric energy meter with an abnormal clock;
meanwhile, current time is obtained based on a local clock, and meter reading data are generated according to the current metering data and the current time;
and reporting the obtained meter reading data.
2. The electric energy meter reading method according to claim 1, further comprising a local clock calibration step, specifically comprising:
and acquiring platform time based on a preset local clock calibration rule, and calibrating the local clock based on the platform time.
3. The electric energy meter reading method according to claim 1 or 2, characterized by further comprising the step of judging the electric energy meter with the abnormal clock before acquiring the current metering data of the electric energy meter with the abnormal clock, and the specific steps are as follows:
reading an electric energy meter clock based on a preset electric energy meter clock deviation detection rule, and calculating the clock deviation of the local clock and the electric energy meter to obtain a deviation value;
and judging whether the corresponding electric energy meter clock is abnormal or not based on the deviation value.
4. The electric energy meter reading method according to claim 3, wherein the specific step of judging whether the corresponding electric energy meter clock is abnormal based on the deviation value is as follows:
when the deviation value is smaller than or equal to a preset deviation threshold value, judging the electric energy meter to be a normal electric energy meter, otherwise, comparing the deviation value with a preset calibration value;
when the deviation value is less than or equal to the calibration value, calibrating the electric energy meter clock based on the deviation value, and when the calibration fails, judging the electric energy meter as an electric energy meter with abnormal clock, otherwise, judging the electric energy meter as a normal electric energy meter;
and when the deviation value is larger than the calibration value, calibrating the clock of the electric energy meter based on the calibration value, and judging the electric energy meter to be the electric energy meter with abnormal clock.
5. The electric energy meter reading method according to claim 4, wherein;
and when the deviation value is larger than a preset deviation threshold value, generating time setting alarm information and reporting the time setting alarm information.
6. The electric energy meter reading method according to claim 4, wherein after judging whether the corresponding electric energy meter clock is abnormal based on the deviation value, the method further comprises a reading step for a normal electric energy meter, and the reading method specifically comprises the following steps:
and collecting and reporting the freezing data of the normal electric energy meter as meter reading data.
7. The utility model provides an electric energy meter device of checking meter which characterized in that includes:
the data acquisition module is used for acquiring current metering data of the electric energy meter with an abnormal clock;
the data generation module is used for acquiring current time based on a local clock and generating meter reading data according to the current metering data and the current time;
and the reporting module is used for reporting the obtained meter reading data.
8. The electric energy meter reading device according to claim 7, further comprising a local clock calibration module;
the local clock calibration module is used for acquiring platform time based on a preset local clock calibration rule and calibrating a local clock based on the platform time.
9. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 6.
10. An electric energy meter reading system, which comprises an electricity consumption information acquisition platform and an electric energy meter, and is characterized by further comprising electric energy meter reading devices of claim 7 or 8, wherein the electric energy meter reading devices are correspondingly connected with the electric energy meter one by one, and each electric energy meter reading device is connected with the electricity consumption information acquisition platform in a signal mode;
when the electric energy meter is an electric energy meter with an abnormal clock, the electric energy meter reading device is used for acquiring current metering data of the electric energy meter, acquiring current time based on a local clock, and generating meter reading data according to the current metering data and the current time;
the electric energy meter reading device is also used for reporting the obtained meter reading data to the electricity utilization information acquisition platform.
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