GB2565177A - Electric energy meter, checking method therefor, and storage medium - Google Patents
Electric energy meter, checking method therefor, and storage medium Download PDFInfo
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- GB2565177A GB2565177A GB1805549.1A GB201805549A GB2565177A GB 2565177 A GB2565177 A GB 2565177A GB 201805549 A GB201805549 A GB 201805549A GB 2565177 A GB2565177 A GB 2565177A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
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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
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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
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/14—Payment architectures specially adapted for billing systems
- G06Q20/145—Payments according to the detected use or quantity
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Abstract
An electric energy meter of which the metering portion and the management portion are independent of each other, comprising a metering control module (10) and a management control module (20), the metering control module (10) being configured to collect and calculate electric energy data, and send the acquired calculated electric energy data to the management control module (20); and the management control module (20) being configured to realize billing rate control and calculate billing data according to the billing rate and the received electric energy data. Further provided are a checking method for the electric energy meter and a computer storage medium.
Description
ELECTRIC METER, CHECKING METHOD THEREOF AND
STORAGE MEDIUM
The present application claims priority of Chinese Patent Application No. 201610902884.9, filed on October 17, 2016, the contents of which are hereby incorporated by reference in its entirety.
TECHNICAL FIELD
The disclosure relates to the field of electricity consumption service, and particularly to an electric meter with a measuring part independent of a management part, a checking method of the electric meter and a storage medium.
BACKGROUND
An electric meter is an instrument for measuring electric energy, the electric meter is also called as an electricity meter, an energy meter or a kilowatt-hour meter, and refers to an instrument measuring various electric parameters. According to a requirement of standard IR46, i.e. an international recommendation published by the International Organization of Legal Metrology, if an electric meter, as a measuring instrument, has some changes in its structure and program, type evaluation is required to be performed again, and this means that the program of the electric meter is not allowed to be freely remotely upgraded on line. An existing design solution for a smart electric meter designs functions of measuring, storage, clock, display, charging, cost control, communication, event recording and remote upgrading etc. as a whole, and requires replacement of the electric meter once the functions are subsequently required to be changed, which causes a huge waste. In addition, an existing electric meter may directly influence the accuracy of a measuring part when there is a software or hardware bug, which makes it impossible to trace electricity consumption and easy to trigger an electricity dispute. Along with opening of the electricity market in China, a electric energy charging method in future has the characteristics of diversity and indeterminacy, which makes a conflict between the rigid requirements of a management department and the continuous changes in function requirements of users keeping intensified. Therefore, an electric meter capable of meeting a requirement of the present situation is required.
SUMMARY
In view of above problems, embodiments of the disclosure are provided to provide an electric meter with a measuring part independent of a management part for solving or at least partially solving above problems, and a checking method of the electric meter and a computer storage medium is also provided.
According to an aspect of the embodiments of the disclosure, an electric meter with a measuring part independent of a management part is provided, the electric meter includes a measuring control module and a management control module, wherein the measuring control module is configured to acquire and calculate electric energy data and send the acquired and calculated electric energy data to the management control module; and the management control module is configured to implement rate control and calculate charging data according to a rate and the received electric energy data.
Optionally, the electric energy data includes positive active electric energy, negative active electric energy and basic electric energy freezing time, wherein the freezing time corresponding to each freezing point is not more than a first preset duration, and a storage depth of the electric energy data is not less than a second preset duration.
Optionally, the measuring control module includes:
an acquisition and calculation unit, configured to acquire the electric energy data and perform calculation on the electric energy data, directly acquire voltage and current data by virtue of a measuring chip and calculate electric energy according to the acquired voltage and current data;
a data communication unit, configured to send the electric energy data to the management control module or configured to trace and check the electric energy data; and a measuring Microcontroller Unit (MCU), configured to control the acquisition and calculation unit and the data communication unit and perform information interaction with the management control module through the data communication unit.
Optionally, the measuring control module further includes:
a clock unit, configured to provide a time reference for a power storage with a time scale in the measuring control module, and meanwhile, when a timing standard of the management control module adopts a segmented timing charging, the management control module is configured to switch charging standards for different time segments according to the clock unit;
the management control module is configured to process and store the rate and the electric energy according to a current time of the measuring control module.
Optionally, the clock unit is powered by a replaceable clock battery or super capacitor.
Optionally, the measuring control module further includes:
a measuring storage unit, configured to store the electric energy data generated by the acquisition and calculation unit and the power with a time scale generated according to a time provided by the clock unit in real time.
Optionally, the management control module includes:
a rate calculation unit, configured to control the rate, calculate the charging data according to the received electric energy data, perform data updating on the electric energy data and/or the charging data, and check the charging data by virtue of the electric energy data after an updating operation on the data ends; and a remote communication unit, configured to implement information interaction between the management control module, a communication terminal and the measuring control module, and when a function requirement of the electric meter is changed, to receive an electric meter data updating operation sent by the communication terminal and send the electric meter data updating operation to a management MCU to implement a program updating operation; and the management Microcontroller Unit MCU, configured to control the rate calculation unit and the remote communication unit and perform data interaction with the remote communication unit.
Optionally, the management control module further includes:
a charging storage unit, configured to store rate electric energy, an event record of the electric meter and basic frozen data.
Optionally, the management control module further includes:
a human-computer interaction unit, configured to perform liquid crystal display and/or voice prompting for data or operation.
Optionally, the measuring control module and the management control module are respectively independent pluggable modules, and are connected through a pluggable communication interface.
Optionally, the electric meter further includes one or more of the following parts:
a card insertion region, configured to allow the insertion of an electric card;
a module communication interface, configured to read the electric energy, real-time parameter, event record and frozen data of the electric meter, to implement parameter setting of the electric meter and remote upgrading;
an encryption/decryption module, configured to encrypt or decrypt communication information of the electric meter; and a tripping lamp, configured to indicate a current state, indicating the current state at least including: turning on the lamp to indicate tripping in the case of arrearage.
According to another aspect of the embodiments of the disclosure, a checking method for an electric meter is further provided, the method including that:
reading a basic frozen electric energy Wt within a unit time of a measuring control module in the electric meter, and calculating an electricity consumption error of the tested electric meter:
where W\ is the basic frozen electric energy of the measuring control module within the unit time ΔΤ1 in a T min time, 1=1,2,3”·(Τ-1), js an average value within the unit time ΔΤ1 of an electric energy value of a standard meter in the T min time , and is a predetermined system error of the standard meter;
determining whether the basic frozen electric energy of the electric meter is
γ. Υ consistent with a checking requirement or not according to 1, and when 1 does not exceed the predetermined error, the basic frozen electric energy of the electric meter is consistent with the checking requirement, reading rate electric energy of a management control module of the electric meter;
calculating a difference value $ between the rate electric energy and the basic frozen electric energy:
d = (IPT'-Woj-(IPT-Wo) where WT' is an indicated value of the rate electric energy of the management control module at a moment T, Wo' is an indicated value of the rate electric energy of the management control module at a starting moment, WT is an indicated value of the basic frozen electric energy of the measuring control module at the moment T, and J70 is an indicated value of the basic frozen electric energy of the measuring control module at the starting moment;
determining whether the rate electric energy of the electric meter is consistent with the checking requirement or not according to δ , when δ does not exceed 6x10“, the rate electric energy of the electric meter is consistent with the checking requirement, where b is a ratio of the electric meter, and a is a number of decimal places of the electric meter; and calculating the charging data according to the rate electric energy and a current operated rate-time segment table and a rate step table of the electric meter.
Another aspect of the embodiments of the disclosure provides a computer storage medium, in which a computer-executable instruction is stored, the computerexecutable instruction being used to execute the abovementioned checking method for the electric meter.
The electric meter provided by the embodiments of the disclosure is at least divided into the measuring control module and the management control module, the measuring control module is configured to acquire and calculate the electric energy data, and the management control module is configured to realize rate calculation and other extended functions on the basis of the electric energy data to obtain the charging data. Obviously, mutual separation of charging management and measuring acquisition is implemented, and in such a manner, the measuring control module acquiring and calculating the electric energy data and the management control module determining the charging data may be independently upgraded and updated, thereby, solving the problems of a requirement on continuous improvement of management functions of a smart electric meter and mutual influence of a management part and a measuring part in the prior art, overcoming that currently meeting requirements of customers on function changes of the electric meters by the way of replacing electric meters, solving the shortcomings of high updating cost of the electric meter and tedious upgrading process, and meanwhile improving operation stability of the electric meter and reliability and traceability of data of the measuring part.
BRIEF DESCRIPTION OF DRAWINGS
In order to describe the technical solutions of the embodiments of the disclosure more clearly, the drawings required to be used for descriptions of the embodiments will be simply introduced below. Obviously, the drawings in the following descriptions are only some embodiments of the disclosure. Those skilled in the art may further obtain other drawings according to these drawings without creative work.
FIG. 1 is a schematic diagram of an electric meter with a measuring part independent of a management part according to an embodiment of the disclosure.
DETAILED DESCRIPTION
In order to facilitate understanding to the embodiments of the disclosure, further explanations and descriptions will be made below in combination with the drawings and take some specific embodiments as examples. It should be understood that the preferred embodiments described below are adopted not to limit the disclosure but only to describe and explain the disclosure.
According to an aspect of the embodiments of the disclosure, as shown in FIG. 1, an electric meter with a measuring part independent of a management part is provided, the electric meter includes a measuring control module 10 and a management control module 20, wherein:
the measuring control module 10 is configured to acquire and calculate electric energy data and send the acquired and calculated electric energy data to the management control module 20. For example, the measuring control module 10 may adopt an HT6019-series single-chip microcomputer. Basic electric energy data package provided by the measuring control module 10 includes positive active electric energy, negative active electric energy and basic electric energy freezing time, each freezing point is not more than 5 minutes (min), and a storage depth is not less than 1 year. The freezing points may at least include: freezing points of basic electric energy, the freezing time of each freezing point is not more than a first preset duration such as 5min, and the first preset duration may further be a value of 4min, 6min, etc.
The storage depth may be a continuous storage time of the electric energy data, the storage depth is not less than a second preset duration such as 1 year, and the second preset duration may also be another preset duration such as 2 years, 3 years or a half year, etc.
Optionally, the measuring control module 10 further includes:
a measuring MCU (Microcontroller Unit) 15, configured to control other function units in the measuring control module and perform information interaction through a data communication unit 16. Here, the other function unit at least includes an acquisition and calculation unit 11 and the data communication unit 16. The measuring MCU may perform information interaction with the management control module 20 through the data communication unit, and may further perform information interaction as a function of a communication terminal. The terminal may include: an uplink communication terminal located on a network side and capable of controlling the measuring MCU.
The acquisition and calculation unit 11 is configured to acquire the electric energy data and perform calculation on it. The acquisition and calculation unit 11 directly acquires voltage and current data by virtue of a measuring chip and calculates electric energy according to the acquired voltage and current data, the measuring chip may adopt a measuring chip such as an ATT7026 three-phase electric energy measuring chip or a circuit.
The data communication unit 16 is configured to send the electric energy data to the management control module 20 or configured to trace and check the electric energy data. Optionally, the data communication unit 16 may further be configured for a remote terminal or the communication terminal to read the electric energy data of the acquisition and calculation unit 11 in real time via the data communication unit, to facilitate checking and supervision of the remote terminal or the communication terminal, and to check charging data of the management control module 20 according to the electric energy data when a supervision department checks the electric meter or when a user has a dispute about the charging data of the electric meter. For example, basic electric energy frozen data may be read to facilitate supervision of the measuring management department and checking over the charging information of the management control module 20. For example, the data communication unit 16 may send the electric energy data acquired by the acquisition and calculation unit 11 to the remote terminal or a local communication terminal for checking or supervision. The data communication unit 16 may be a communication interface such as an integrated circuit bus in the electric meter, and may further be a wireless or wired communication interface such as a Bluetooth communication interface and an infrared communication interface that can be used for data interaction.
The management control module 20 is configured to implement rate control and calculate the charging data according to a rate and the received electric energy data.
Optionally, the management control module 20 is configured to further transmit the charging data to a master station or the remote terminal. The management control module 20 may adopt a processor or processing circuit such as a central processing unit or a microprocessor or a digital signal processor or a programmable array etc., such as an STM32L151-series single-chip microcomputer. For example, the management control module 20 is configured to include:
a management MCU 25, configured to control other function unit in the management control module and perform data interaction with the communication unit.
A rate calculation unit 21 is configured to control the rate and calculate the charging data according to the received electric energy data. The rate calculation unit 21 performs data updating when receiving an updating operation request sent by a remote communication unit 22, and after a current data updating operation ends, checks the charging data by virtue of the electric energy data. The rate calculation unit 21 may correspond to a hardware structure such as a calculator. Here, the updating operation request may be that: when the electric energy data in the measuring control module 10 has been updated, the electric energy data in the management control module 20 is also required to be updated, or, when the measuring control module 10 has updated its own electric energy data on the basis of the remote communication terminal or the local communication terminal, the electric energy data acquired by the rate calculation unit 21 currently is also required to be synchronously updated, so that the rate calculation unit 21 may perform data updating after receiving the data updating request, and recharges on the basis of the updated electric energy data after data updating.
Of course, in some embodiments, the charging data may get abnormal, and is required to be recalculated or corrected, and at this moment, a data updating request for the charging data may also be received, then the charging data is required to be updated, and after an updating operation is completed, the recalculated charging data may further be checked on the basis of the current electric energy data.
The remote communication unit 22 is configured to implement information interaction between the management control module 20, uplink and downlink communication terminals and the measuring control module 10, and when a function requirement of the electric meter is changed, to receive an electric meter data updating operation sent by the communication terminal and send the electric meter data updating operation to the management MCU 25 to implement a program updating operation. The remote communication unit 22 may be a 485 communication module or other communication modules, and is preferably the 485 communication module in the embodiment. Optionally, the remote communication unit 22 may adopt infrared communication to facilitate field checking of the electric meter, and the remote communication unit may specifically be a communication interface connected to the network or other terminal equipment.
Here, the uplink and downlink communication terminals include: a terminal connected to an upstream of the electric meter (for example, a remote control terminal belonging to a power station through the network), and further include a downlink communication terminal, such as a mobile phone held by the user, connected to a downstream of the electric meter.
According to the embodiment of the disclosure, by the way of separating functions of the management control module and measuring control module of the electric meter, the functions of the management control module may be remotely upgraded without changing a legal measuring part of the measuring control module, so that a requirement of the user on diversified functions of the electric meter is met, while the shortcomings that meeting requirements of customers on function changes of the electric meters by the way of replacing electric meters, increased updating cost of the electric meter and tedious upgrading process are overcome.
Optionally, the measuring control module 10 and the management control module 20 are mutually independent not only in terms of working principle, but also in terms of physical structure, the measuring control module 10 and the management control module 20 are respectively independent pluggable modules, and the measuring control module 10 and the management control module 20 may be connected through a pluggable communication interface 30. Since the measuring control module 10 and the management control module 20 are located in different control modules, in the event of one malfunctioning, the operation of the other one would not be influenced.
Optionally, the measuring control module 10 further includes a clock unit 14, the clock unit 14 is configured to provide a time reference for a power storage with a time scale in the measuring control module 10, meanwhile, when a timing standard of the management control module 20 adopts a segmented timing charging, the management control module is configured to switch charging standards for different time segments according to the clock unit 14, and the management control module 20 is configured to process and store the rate and the electric energy according to a current time of the measuring control module 10.
The clock unit 14 may be powered by a replaceable clock battery 17 or super capacitor 18, so that a timing requirement of the clock unit is met, and timing stability and accuracy of the clock unit 14 are ensured.
The clock unit 14 may include: various timers for timing, and for example, may include: a crystal oscillator capable of timing.
In some embodiments, the measuring control module 10 further includes a measuring storage unit 13, the measuring storage unit 13 is configured to store the electric energy data generated by the acquisition and calculation unit 11 and the power with a time scale generated according to a time provided by the clock unit 14 in real time.
The basic frozen electric energy stored by the measuring storage unit 13 may check and verify electric charge information of a charging storage unit 23 to ensure accuracy and traceability of the charging data.
In some other embodiments, the management control module 20 further includes a charging storage unit 23, and the measuring storage unit 13 is configured to store the rate electric energy, an event record of the electric meter and basic frozen data.
In some embodiments, the management control module 20 further includes:
a human-computer interaction unit 24, configured to perform liquid crystal display and/or voice prompting for data or operation, for example, displays the charging data and the electric energy data, and when the user executes a recharging operation on the electric meter, prompts an operation result with a voice, etc.
In some other embodiments, the electric meter may further include a card insertion region, a module communication interface, encryption module and a tripping lamp, wherein the card insertion region is configured for the user to insert an electric card into the card insertion region and provide an insertion position for the electric card, to realize related functions of electricity purchasing, query of electricity purchasing information and the like of the user.
The module communication interface is configured to read data such as the electric energy, real-time parameter, event record and frozen data of the electric meter, and may further realize functions of electric meter parameter setting and remote upgrading and the like.
The encryption/decryption module is configured to encrypt or decrypt communication information of the electric meter, to avoid leakage of the data and ensure data transmission security of the electric meter. The tripping lamp is configured to indicate a current state for the user, and in the case of arrearage of the user, a relay trips, and the tripping indicator lamp turns on.
The electric meter according to the embodiment of the disclosure may be considered as a smart electric meter, by the way of setting the functions of the management control module and of the measuring control module of the electric meter to be separated, the functions of the management control module may be remotely upgraded without changing the legal measuring part of the measuring control module, so that the requirement of the user on diversified functions of the electric meter is met, replacement of the electric meters due to the function requirements changing of the customers is avoided, charging standard updating cost of the electric meter is reduced, an updating process of the electric meter is simplified, and meanwhile, diversification of the functions of the electric meter is implemented.
According to another aspect of the embodiments of the disclosure, a checking method for a smart electric meter is further provided. The method is executed by an upper computer, a 220V voltage is applied to the smart electric meter before execution, positive Imax is applied to a current line after a stabilization for at least a unit time ST , a power factor being 1, and after a standard clock tester controlling a console body to operate for T min, T min being preferably 30min, the current is stopped for at least the unit time ΔT , the method includes:
reading basic frozen electric energy Wt within a unit time of a measuring control module of the smart electric meter according to the abovementioned embodiment, wherein the read smart electric meter is any electric meter provided in the abovementioned embodiments, and may also be called as a tested electric meter;
calculating an electricity consumption error of the tested electric meter,
where Wps the basic frozen electric energy of the measuring control module of the tested electric meter within the unit time ST jn a / min time, 1=1,2,3 •••(T-l), is an average value within the unit time ST of an electric energy value of a standard meter in the T min time , and is a predetermined system error of the standard meter;
determining whether the basic frozen electric energy of the tested electric v.
meter is consistent with a checking requirement or not according to ';
v when 1 does not exceed the predetermined error, the basic frozen electric energy of the tested electric meter is consistent with the checking requirement, reading rate electric energy of a management control module of the smart electric meter in the abovementioned embodiment;
calculating a difference value $ between the rate electric energy and the basic frozen electric energy:
S = (WT' -W’)-(WT -Wo) where W/ and Wo' correspond to indicated values of the rate electric energy of the management control module at a moment T and a starting moment respectively, and WT and correspond to indicated values of the basic frozen electric energy of the measuring control module at the moment T and the starting moment respectively;
determining whether the rate electric energy of the tested electric meter is consistent with the checking requirement or not according to $ \ when $ does not exceed 6x10“, the rate electric energy of the tested electric meter is consistent with the checking requirement, where is a ratio of the electric meter, and a is a number of decimal places of the electric meter; and calculating the charging data according to the rate electric energy and a current operated rate-time segment table and a rate step table of the electric meter.
According to the smart electric meter checking method provided by the abovementioned embodiment, the basic frozen electric energy is checked, rate electric energy is checked when the basic frozen electric energy is checked to meet the requirement, and when the rate electric energy is checked to meet the requirement, the charging data of the electric meter is further calculated, so that accuracy of the charging data of the electric meter is ensured.
An embodiment of the disclosure further provides a computer storage medium, in which a computer-executable instruction is stored, the computerexecutable instruction being used for the checking method for the abovementioned electric meter.
The computer storage medium may be: various computer storage medium such as a mobile hard disk, an optical disk, a flash disk, a U disk or a magnetic tape, and is optionally a non-transitory storage medium.
Those skilled in the art may understand that the drawing is just a schematic diagram of an embodiment, and a module flow in the drawing is not necessary for implementation of the disclosure.
Each embodiment in the specification may be described in a progressive manner, the same or similar parts between each embodiment may refer to each other, and differences from the other embodiments are emphasized in each embodiment. Particularly, a system or a system embodiment is described simply because it is substantially similar to the method embodiment, and related parts refer to the part 5 description of the method embodiment.
The above is only the preferred specific embodiments of the disclosure and not intended to limit the scope of protection of the disclosure. All modifications made according to the principle of the disclosure shall fall within the scope of protection of the disclosure.
Claims (13)
1. An electric meter with a measuring part independent of a management part, comprising a measuring control module and a management control module, wherein the measuring control module is configured to acquire and calculate electric energy data and send the acquired and calculated electric energy data to the management control module; and the management control module is configured to implement rate control and calculate charging data according to a rate and the received electric energy data.
2. The electric meter with a measuring part independent of a management part according to claim 1, wherein the electric energy data comprises positive active electric energy, negative active electric energy and basic electric energy freezing time, wherein the freezing time corresponding to each freezing point is not more than a first preset duration, and a storage depth of the electric energy data is not less than a second preset duration.
3. The electric meter with a measuring part independent of a management part according to claim 1, wherein the measuring control module comprises:
an acquisition and calculation unit, configured to acquire the electric energy data and perform calculation on the electric energy data, directly acquire voltage and current data by virtue of a measuring chip and calculate electric energy according to the acquired voltage and current data;
a data communication unit, configured to send the electric energy data to the management control module or configured to trace and check the electric energy data; and a measuring Microcontroller Unit MCU, configured to control the acquisition and calculation unit and the data communication unit and perform information interaction with the management control module through the data communication unit.
4. The electric meter with a measuring part independent of a management part according to claim 3, wherein the measuring control module further comprises:
a clock unit, configured to provide a time reference for a power storage with a time scale in the measuring control module, and meanwhile, when a timing standard of the management control module adopts a segmented timing charging, the management control module is configured to switch charging standards for different time segments according to the clock unit;
the management control module is configured to process and store the rate and the electric energy according to a current time of the measuring control module.
5. The electric meter with a measuring part independent of a management part according to claim 4, wherein the clock unit is powered by a replaceable clock battery or super capacitor.
6. The electric meter with a measuring part independent of a management part according to claim 4, wherein the measuring control module further comprises:
a measuring storage unit, configured to store the electric energy data generated by the acquisition and calculation unit and the power with a time scale generated according to a time provided by the clock unit in real time.
7. The electric meter with a measuring part independent of a management part according to claim 1, wherein the management control module comprises:
a rate calculation unit, configured to control the rate, calculate the charging data according to the received electric energy data, perform data updating on the electric energy data and/or the charging data, and check the charging data by virtue of the electric energy data after an updating of the data ends;
a remote communication unit, configured to implement information interaction between the management control module, a communication terminal and the measuring control module, and when a function requirement of the electric meter is changed, to receive an electric meter data updating operation sent by the communication terminal and send the electric meter data updating operation to a management MCU to implement a program updating operation; and the management Microcontroller Unit MCU, configured to control the rate calculation unit and the remote communication unit and perform data interaction with the remote communication unit.
8. The electric meter with a measuring part independent of a management part according to claim 7, wherein the management control module further comprises:
a charging storage unit, configured to store rate electric energy, an event record of the electric meter and basic frozen data.
9. The electric meter with a measuring part independent of a management part according to claim 7, wherein the management control module further comprises:
a human-computer interaction unit, configured to perform liquid crystal display and/or voice prompting for data or operation.
10. The electric meter with a measuring part independent of a management part according to claim 1, wherein the measuring control module and the management control module are respectively independent pluggable modules, and are connected through a pluggable communication interface.
11. The electric meter with a measuring part independent of a management part according to claim 1, further comprising one or more of the following parts:
a card insertion region, configured to allow the insertion of an electric card;
a module communication interface, configured to read the electric energy, real-time parameters, event records and frozen data of the electric meter to implement parameter setting of the electric meter and remote upgrading;
an encryption/decryption module, configured to encrypt or decrypt communication information of the electric meter; and a tripping lamp, configured to indicate a current state, indicating the current state at least comprising: turning on the lamp to indicate tripping in the case of arrearage.
12. A method for checking an electric meter, comprising:
reading a basic frozen electric energy Wt within a unit time of a measuring control module in the electric meter according to any one of claims 1-12, and calculating an electricity consumption error of the electric meter:
where Wt is the basic frozen electric energy of the measuring control module within the unit time AT1 in a 7 min time, 1=1,2,3•••(T-l), is an average value within the unit time AT1 of an electric energy value of a standard meter in the T min time, and is a predetermined system error of the standard meter;
determining whether the basic frozen electric energy of the electric meter is v. γ.
consistent with a checking requirement or not according to 1, and when 1 does not exceed the predetermined error, the basic frozen electric energy of the electric meter is consistent with the checking requirement, reading rate electric energy of a management control module of the electric meter;
calculating a difference value δ between the rate electric energy and the basic frozen electric energy:
d=(w;-wp-(wT-wf where WT' is an indicated value of the rate electric energy of the management control module at a moment T, Wo' is an indicated value of the rate electric energy of the management control module at a starting moment, WT is an indicated value of the basic frozen electric energy of the measuring control module at the moment T, and Wo is an indicated value of the basic frozen electric energy of the measuring control module at the starting moment;
determining whether the rate electric energy of the electric meter is consistent with the checking requirement or not according to δ , when δ does not exceed 6x10“, the rate electric energy of the electric meter is consistent with the checking requirement, where b is a ratio of the electric meter, and a is a number of decimal places of the electric meter; and calculating a charging data according to the rate electric energy and a current operated rate-time segment table and a rate step table of the electric meter.
13. A computer storage medium with computer-executable instructions stored thereon, the computer-executable instructions being configured to execute the method 5 for checking an electric meter according to claim 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902884.9A CN106569850B (en) | 2016-10-17 | 2016-10-17 | Electric energy meter with independent metering part and management part and calibration method thereof |
| PCT/CN2017/087622 WO2018072455A1 (en) | 2016-10-17 | 2017-06-08 | Electric energy meter, checking method therefor, and storage medium |
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| GB201805549D0 GB201805549D0 (en) | 2018-05-16 |
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| CN (1) | CN106569850B (en) |
| DE (1) | DE112017000227T5 (en) |
| GB (1) | GB2565177B (en) |
| WO (1) | WO2018072455A1 (en) |
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| NO20200331A1 (en) * | 2019-04-04 | 2020-10-05 | Hark Tech As | POWER ADJUSTMENT CIRCUIT AND METHOD FOR ADJUSTING THE POWER OUTLET FROM A MEASURING INSTRUMENT |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106569850A (en) | 2017-04-19 |
| DE112017000227T5 (en) | 2018-08-23 |
| GB2565177B (en) | 2022-07-27 |
| CN106569850B (en) | 2020-10-09 |
| GB201805549D0 (en) | 2018-05-16 |
| WO2018072455A1 (en) | 2018-04-26 |
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