CN111308140A - Difference type active reporting meter reading method - Google Patents
Difference type active reporting meter reading method Download PDFInfo
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- CN111308140A CN111308140A CN202010133577.5A CN202010133577A CN111308140A CN 111308140 A CN111308140 A CN 111308140A CN 202010133577 A CN202010133577 A CN 202010133577A CN 111308140 A CN111308140 A CN 111308140A
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
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Abstract
The invention relates to a differential type active reporting meter reading method, which is characterized by comprising the following steps: the method comprises the steps of S1, electrifying the electric energy meter, initializing data a and data b, and enabling a to be b; s2, the electric energy meter obtains data c through self measurement; s3, judging whether the data c is equal to the data b, if so, returning to execute S2, and if not, executing S4; s4, assigning the value of the data c to the data b, judging whether the absolute value of the difference value between the data b and the data a is larger than a set threshold value d, if so, executing S5, otherwise, returning to execute S2; and S5, assigning the value of the data b to the data a, and reporting the data a to the master station. The method can enable the electric energy meter to report the meter reading data actively in a differential mode so as to release communication channels and server resources.
Description
Technical Field
The invention relates to the technical field of electric energy meters, in particular to a differential type active reporting meter reading method.
Background
In 2019, in 1 month, a national grid company puts forward a goal of building a three-type two-network system, namely a smart grid and a ubiquitous power internet of things. The ubiquitous power internet of things is around each link of a power system, and mobile interconnection, artificial intelligence, communication technology and the like are fully applied to achieve the purpose of mutual connection and man-machine interaction.
However, the current intelligent electric energy meter adopts a timing point reading mode to acquire data, so that the real-time performance is poor, a large amount of invalid data can be generated in the meter reading process, for example, a vacant user does not use power but the system still needs timing point reading, limited channel resources and server resources are occupied, and the construction target of three-type two-network is not met.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a differential active meter reading reporting method, in which an electric energy meter can actively report meter reading data to release channel and server resources.
In order to achieve the purpose, the technical scheme of the invention is as follows: a difference type active reporting meter reading method is characterized in that: the method comprises the following steps of,
s1, electrifying the electric energy meter, initializing data a and data b, and enabling a to be b;
s2, the electric energy meter obtains data c through self measurement;
s3, judging whether the data c is equal to the data b, if so, returning to execute S2, and if not, executing S4;
s4, assigning the value of the data c to the data b, judging whether the absolute value of the difference value between the data b and the data a is larger than a set threshold value d, if so, executing S5, otherwise, returning to execute S2;
and S5, assigning the value of the data b to the data a, and reporting the data a to the master station.
Further, before reporting the data a to the master station in S5, the data a and the time are packaged and temporarily stored.
Further, the step of reporting the data a in S5 includes,
s51, detecting whether the data a to be reported exist, if not, continuing the detection, if so, executing S52;
s52, detecting whether the communication channel is idle, if not, continuing the detection, if yes, executing S53;
and S53, reporting the data a to be reported to the master station according to the time sequence.
In S1, the specific manner of initializing data a and data b is that, when the meter reading data is cumulative data, initializing data a and data b as historical cumulative data and making a equal to b; correspondingly, the value of the data c in the step S2 is new accumulative data measured by the electric energy meter.
Further, the accumulative data is historical accumulative electricity, and the new accumulative data is new accumulative electricity measured by the electric energy meter.
Further, the specific manner of initializing the data a and the data b in S1 is that when the meter reading data is non-accumulative data, the initializing data a and the data b are 0; correspondingly, the value of the data c in the S2 is the measured instantaneous data of the electric energy meter.
Further, the instantaneous data is an instantaneous voltage value measured by the electric energy meter.
Further, the instantaneous data is an instantaneous current value measured by the electric energy meter.
Further, the instantaneous data is an instantaneous power value measured by the electric energy meter.
Compared with the prior art, the invention has the advantages that:
according to the scheme, the original electric energy meter reading mode is adjusted from the main station to the electric energy meter, and the meter reading data is actively reported to the main station according to the load characteristics of a power grid and users, so that the data of the electric energy meter is reported more timely; meanwhile, the scheme is favorable for utilizing the edge computing capacity of the electric energy meter to realize differential report according to the use requirement; in addition, the scheme can reduce the report quantity of invalid data, and is favorable for releasing channel and server resources.
Drawings
FIG. 1 is a flow chart of an embodiment of the present application.
Fig. 2 is a flowchart of data reporting according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1, which is a flowchart of the present application, the differential active meter reading reporting method includes the following steps,
s1, electrifying the electric energy meter, initializing data a and data b, and enabling a to be b;
s2, the electric energy meter obtains data c through self measurement;
s3, judging whether the data c is equal to the data b, if so, returning to execute S2, and if not, executing S4;
s4, assigning the value of the data c to the data b, judging whether the absolute value of the difference value between the data b and the data a is larger than a set threshold value d, if so, executing S5, otherwise, returning to execute S2;
and S5, assigning the value of the data b to the data a, and reporting the data a to the master station.
Certainly, before reporting the assigned data a to the master station in S5, the method further includes the step of temporarily storing the data a and the time in a packet manner, so that the data a is uploaded sequentially according to time.
As shown in fig. 2, the step of reporting the data a in S5 includes,
s51, the electric energy meter detects whether the data a to be reported exist, if not, the detection is continued, and if yes, S52 is executed;
s52, the electric energy meter further detects whether the communication channel is idle, if not, the detection is continued, if yes, S53 is executed;
and S53, reporting the data a to be reported to the master station according to the time sequence.
The meter reading data reported by the electric energy meter may be accumulative data, such as accumulative electric quantity, and may also be non-accumulative data, such as instantaneous voltage, instantaneous current, instantaneous power, and the like.
Specifically, when the meter reading data is cumulative data, the data a and the data b are initialized in S1 in such a manner that both the data a and the data b are initialized to historical cumulative data, that is, a is equal to b; correspondingly, the value of the data c in the above S2 is the new accumulative data measured by the electric energy meter. For example, when the meter reading data is the accumulated electric quantity, the historical accumulated electric quantity is respectively assigned to the data a and the data b so that a is equal to b, and the value of the data c is the new accumulated electric quantity measured by the electric energy meter.
At this time, the method is realized according to the following principle:
assigning the real-time accumulated electric quantity value measured by the electric energy meter to data c, comparing whether the values of the data c and the data b are equal, if so, indicating that the accumulated electric quantity in the sampling period is not changed, and the user does not use the electricity, continuously sampling the electric energy meter, if not, indicating that the accumulated electric quantity in the sampling period is changed, assigning the value of the data c to the data b for next judgment, namely judging the absolute value of the difference value between the newly assigned data b and the data a and a set threshold value d, if the absolute value of the difference value is smaller than the set threshold value, indicating that the accumulated electric quantity is changed but has small change, judging that the change of the accumulated electric quantity is not caused by the electricity, possibly caused by voltage fluctuation, and therefore, the accumulated electric quantity is not reported, and if the absolute value of the difference value is larger than the set threshold value, reporting the new accumulated electric quantity, so that the value of the assigned data b is assigned to the data a, and the assigned data a is reported to the master station. When the data a is reported to the master station, the electric energy meter detects whether an idle communication channel exists, if so, the electric energy meter carries out reporting transmission, and if not, the electric energy meter waits for the idle communication channel to carry out transmission.
When the meter reading data is non-accumulative data, the data a and the data b are initialized to 0 in the step S1; correspondingly, the value of the data c in the above S2 is the instantaneous data measured by the electric energy meter. The instantaneous data can be the instantaneous voltage value, the instantaneous current value or the instantaneous power value measured by the electric energy meter, etc. The method of the present application is the same as the method of the present application when the meter reading data is non-accumulative data, and is not described herein.
According to the analysis, when the meter reading is carried out, the electric energy meter actively reports the meter reading data according to the actual conditions, and only when the change of the meter reading data reaches a certain value, the electric energy meter reports the meter reading data, so that the repeated reporting of a lot of invalid data is reduced, for example, the accumulated electric quantity of an unused user does not change.
While embodiments of the invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A difference type active reporting meter reading method is characterized in that: the method comprises the following steps of,
s1, electrifying the electric energy meter, initializing data a and data b, and enabling a to be b;
s2, the electric energy meter obtains data c through self measurement;
s3, judging whether the data c is equal to the data b, if so, returning to execute S2, and if not, executing S4;
s4, assigning the value of the data c to the data b, judging whether the absolute value of the difference value between the data b and the data a is larger than a set threshold value d, if so, executing S5, otherwise, returning to execute S2;
and S5, assigning the value of the data b to the data a, and reporting the data a to the master station.
2. The method of claim 1, further comprising:
before reporting the data a to the master station in S5, the method further includes packing and temporarily storing the data a and the time.
3. The method of claim 1, further comprising:
the step of reporting the data a in S5 includes,
s51, detecting whether the data a to be reported exist, if not, continuing the detection, if so, executing S52;
s52, detecting whether the communication channel is idle, if not, continuing the detection, if yes, executing S53;
and S53, reporting the data a to be reported to the master station according to the time sequence.
4. The method of claim 2, further comprising:
the step of reporting the data a in S5 includes,
s51, detecting whether the data a to be reported exist, if not, continuing the detection, if so, executing S52;
s52, detecting whether the communication channel is idle, if not, continuing the detection, if yes, executing S53;
and S53, reporting the data a to be reported to the master station according to the time sequence.
5. The method of claim 1, further comprising:
in S1, the specific manner of initializing data a and data b is that, when the meter reading data is cumulative data, initializing data a and data b are historical cumulative data and making a equal to b; correspondingly, the value of the data c in the step S2 is new accumulative data measured by the electric energy meter.
6. The method of claim 5, further comprising:
the accumulative data is historical accumulative electricity, and the new accumulative data is new accumulative electricity measured by the electric energy meter.
7. The method of claim 1, further comprising:
the specific mode of initializing the data a and the data b in S1 is that when the meter reading data is non-accumulative data, the initializing data a and the data b are 0; correspondingly, the value of the data c in the S2 is the measured instantaneous data of the electric energy meter.
8. The method of claim 7, further comprising:
the instantaneous data is an instantaneous voltage value measured by the electric energy meter.
9. The method of claim 7, further comprising:
the instantaneous data is the instantaneous current value measured by the electric energy meter.
10. The method of claim 7, further comprising:
the instantaneous data is an instantaneous power value measured by the electric energy meter.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112419698A (en) * | 2020-10-26 | 2021-02-26 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter data transmission method, system and device based on distribution line message specification |
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Application publication date: 20200619 |