CN109828861B - electric energy metering data verification system and method for electric power retail market - Google Patents
electric energy metering data verification system and method for electric power retail market Download PDFInfo
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Abstract
The invention discloses an electric energy metering data verification system for an electric power retail market, which comprises an intelligent electric energy meter, an acquisition terminal, an acquisition main station, an electricity selling main body and a data verification main station, wherein the intelligent electric energy meter, the acquisition terminal, the acquisition main station and the electricity selling main body all adopt a chain algorithm to calculate a verification code corresponding to electric energy metering data acquired at the end of a preset verification period; the data verification master station receives the electric energy metering data from the electric power client side, and calculates a verification code corresponding to the electric energy metering data acquired at the end of a preset verification period by adopting a chain algorithm; and comparing the check codes calculated by the intelligent electric energy meter, the acquisition terminal, the acquisition master station and the electricity selling main body with the check codes calculated by the intelligent electric energy meter and the acquisition master station to judge whether the electric energy metering data is tampered. A corresponding method is also disclosed. The invention introduces a data verification master station, calculates the verification value of the electric energy metering data in the data verification master station and each link of data transmission, and judges which link the electric energy metering data is tampered in by comparing the verification values.
Description
Technical Field
The invention relates to an electric energy metering data verification system and method for an electric power retail market, and belongs to the technical field of electric energy metering.
background
in the future, with the continuous increase of the number of power selling companies of the accessible market, the continuous improvement of the cross-regional trading proportion of renewable energy power generation and the gradual opening of the spot market, trading main bodies are more diversified, and the variety and the trading period of trading are more flexible and changeable. The time-sharing metering data provided by the metering system has increasingly finer granularity and larger data volume, and the electric power market participation main bodies are increasing. The electric energy metering system is used as an important module of the electric power market operation support system, so that the metering precision of the intelligent electric energy meter is ensured to meet a certain accuracy level, the basic source data of the intelligent electric energy meter is ensured not to be falsified in each link, and the metering is ensured to be fair and fair. According to the existing scheme of the single acquisition master station, the intelligent electric energy meter and the terminal are guaranteed not to be tampered in the data transmission process through the ESAM chip, but whether the intelligent electric energy meter and the terminal are tampered in self processing operation in links such as the acquisition terminal and the acquisition master station cannot be guaranteed, so that under the competitive electric power retail market environment, an electric energy metering data verification technology is urgently needed to guarantee market participants to obtain accurate and reliable metering data.
disclosure of Invention
The invention provides an electric energy metering data verification system and method for an electric power retail market, and solves the problem that whether electric energy metering data is falsified when the data transmission link cannot determine self processing operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an electric energy metering data checking system for an electric power retail market comprises an intelligent electric energy meter, an acquisition terminal, an acquisition main station and an electricity selling main body, wherein the intelligent electric energy meter periodically acquires electric energy metering data, the electric energy metering data sequentially passes through the acquisition terminal, the acquisition main station and the electricity selling main body and is finally sent to an electric power client side, the electric energy metering data checking system also comprises a data checking main station,
the intelligent electric energy meter, the acquisition terminal, the acquisition master station and the electricity selling main body all adopt a chain algorithm to calculate a check code corresponding to the electric energy metering data acquired at the end of a preset check period;
the data checking master station: receiving electric energy metering data from an electric power client side, and calculating a check code corresponding to the electric energy metering data acquired at the end of a preset check period by adopting a chain algorithm; and comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station, the check code calculated by the electricity selling main body and the check code calculated by the intelligent electric energy meter, and judging whether the electric energy metering data is tampered.
calculating a check code corresponding to the electric energy metering data acquired at the end of the preset check period,
S1) taking a check code corresponding to the electric energy metering data of the last acquisition period of the same data identification, the electric energy metering data of the acquisition period and a freezing time scale of the electric energy metering data of the acquisition period as input, and calculating the check code corresponding to the electric energy metering data of the acquisition period by adopting a chain algorithm; if the acquisition cycle is an initial cycle, taking an initial check code, initial cycle electric energy metering data and an initial cycle electric energy metering data freezing time scale as input;
S2) repeating the step S1 until the collection period is the last collection period of the verification period, and obtaining a verification code corresponding to the electric energy metering data collected at the end of the preset verification period.
the initial check code is calculated by the following procedure,
and taking the address, the zero clearing time and the data identification of the intelligent electric energy meter as input, and calculating the initial check code by adopting a chain algorithm.
The process of comparing the check codes is that,
If the check code calculated by the data check master station is consistent with the check code calculated by the intelligent electric energy meter, the electric energy metering data is not tampered in the transmission link;
And if the check code calculated by the data check master station is inconsistent with the check code calculated by the intelligent electric energy meter, comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station and the check code calculated by the electricity selling main body in pairs, and determining the link of tampering.
The chained algorithm is a hash algorithm.
An electric energy metering data verification method for an electric power retail market comprises the following steps,
The method comprises the steps that the intelligent electric energy meter periodically collects electric energy metering data, and a chain algorithm is adopted to calculate a check code corresponding to the electric energy metering data collected at the end of a preset check period;
The method comprises the steps that an acquisition terminal receives electric energy metering data sent by an intelligent electric energy meter, and a check code corresponding to the electric energy metering data acquired at the end of a preset check period is calculated by adopting a chain algorithm;
the method comprises the steps that an acquisition master station receives electric energy metering data sent by an acquisition terminal, and a chain algorithm is adopted to calculate a check code corresponding to the electric energy metering data acquired at the end of a preset check period;
the electricity selling main body receives the electric energy metering data sent by the collecting master station, calculates a check code corresponding to the electric energy metering data collected at the end of a preset check period by adopting a chain algorithm, and sends the electric energy metering data to the electric power client side;
the data verification master station receives the electric energy metering data from the electric power client side, calculates a verification code corresponding to the electric energy metering data acquired at the end of a preset verification period by adopting a chain algorithm, compares the verification code calculated by the intelligent electric energy meter, the verification code calculated by the acquisition terminal, the verification code calculated by the acquisition master station, the verification code calculated by the electricity selling main body and the verification code calculated by the data verification master station, and judges whether the electric energy metering data is tampered.
calculating a check code corresponding to the electric energy metering data acquired at the end of the preset check period,
S1) taking a check code corresponding to the electric energy metering data of the last acquisition period of the same data identification, the electric energy metering data of the acquisition period and a freezing time scale of the electric energy metering data of the acquisition period as input, and calculating the check code corresponding to the electric energy metering data of the acquisition period by adopting a chain algorithm; if the acquisition cycle is an initial cycle, taking an initial check code, initial cycle electric energy metering data and an initial cycle electric energy metering data freezing time scale as input;
S2) repeating the step S1 until the collection period is the last collection period of the verification period, and obtaining a verification code corresponding to the electric energy metering data collected at the end of the preset verification period.
the initial check code is calculated by the following procedure,
And taking the address, the zero clearing time and the data identification of the intelligent electric energy meter as input, and calculating the initial check code by adopting a chain algorithm.
the process of comparing the check codes is that,
if the check code calculated by the data check master station is consistent with the check code calculated by the intelligent electric energy meter, the electric energy metering data is not tampered in the transmission link;
and if the check code calculated by the data check master station is inconsistent with the check code calculated by the intelligent electric energy meter, comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station and the check code calculated by the electricity selling main body in pairs, and determining the link of tampering.
the chained algorithm is a hash algorithm.
The invention achieves the following beneficial effects: the invention introduces the data verification master station, calculates the electric energy metering data verification value by adopting a chain algorithm in each link of the data verification master station and data transmission, judges which link the electric energy metering data is tampered in by comparing the verification values, ensures that market participants obtain accurate and reliable metering data, and has good application prospect.
drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
as shown in fig. 1, an electric energy metering data verification system for an electric power retail market includes an intelligent electric energy meter, an acquisition terminal, an acquisition master station, an electricity selling main body, and a data verification master station.
The intelligent electric energy meter comprises: periodically collecting and freezing electric energy metering data, and uploading the frozen electric energy metering data; and calculating a check code corresponding to the electric energy metering data acquired at the end of the preset check period by adopting a chain algorithm.
The acquisition period of the electric energy metering data is set according to the requirement, after the electric energy metering data of one period is acquired, the electric energy metering data can be frozen and then sent to the acquisition terminal. The verification period is also determined according to the requirement, and generally, one day can be set as one verification period.
The chain algorithm adopts a hash algorithm with good modification resistance and easy calculation, such as the MD5 algorithm and the like.
collecting a terminal: and receiving and uploading the electric energy metering data sent by the intelligent electric energy meter, and calculating a check code corresponding to the electric energy metering data acquired at the end of the preset check period by adopting a chain algorithm.
the collection master station: receiving electric energy metering data sent by an acquisition terminal, and calculating a check code corresponding to the electric energy metering data acquired at the end of a preset check period by adopting a chain algorithm; and simultaneously providing the electric energy metering data owned by each electric power customer to different electric power selling main bodies.
the electricity selling main body: the method comprises the steps of receiving electric energy metering data sent by a collecting terminal, calculating a check code corresponding to the electric energy metering data collected at the end of a preset check period by adopting a chain algorithm, sending the electric energy metering data to an electric power client side, and directly providing an electric charge list for a user.
the data checking master station: receiving electric energy metering data from an electric power client side, and calculating a check code corresponding to the electric energy metering data acquired at the end of a preset check period by adopting a chain algorithm; and comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station, the check code calculated by the electricity selling main body and the check code calculated by the intelligent electric energy meter, and judging whether the electric energy metering data is tampered.
the process of comparing the check codes is as follows:
1) if the check code calculated by the data check master station is consistent with the check code calculated by the intelligent electric energy meter, the electric energy metering data is not tampered in the transmission link;
2) And if the check code calculated by the data check master station is inconsistent with the check code calculated by the intelligent electric energy meter, comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station and the check code calculated by the electricity selling main body in pairs, and determining the link of tampering. Such as: and if the check code calculated by the acquisition terminal is consistent with the check code calculated by the acquisition master station and the check code calculated by the acquisition terminal is inconsistent with the check code calculated by the intelligent electric energy meter, the fact that the acquisition terminal is tampered is indicated.
In all the links, the process of calculating the check code is consistent, and the method specifically comprises the following steps:
s1) taking a check code corresponding to the electric energy metering data of the last acquisition period of the same data identification, the electric energy metering data of the acquisition period and a freezing time scale of the electric energy metering data of the acquisition period as input, and calculating the check code corresponding to the electric energy metering data of the acquisition period by adopting a chain algorithm; if the acquisition cycle is an initial cycle, taking an initial check code, initial cycle electric energy metering data and an initial cycle electric energy metering data freezing time scale as input;
S2) repeating the step S1 until the collection period is the last collection period of the verification period, and obtaining a verification code corresponding to the electric energy metering data collected at the end of the preset verification period.
the calculation process of the initial check code comprises the following steps: and taking the address, the zero clearing time and the data identification of the intelligent electric energy meter as input, and calculating the initial check code by adopting a chain algorithm.
taking table 1 as an example, the first action in table 1 is to calculate a start check code, address 000000000001 of the intelligent electric energy meter, zero clearing time 23 minutes and 44 seconds at 14 hours, 2 days and 7 months in 2017, data identifier 00100401, and calculated start check code f57a5715195609618bf31f13b79fa4 da.
And the second action calculates a check code corresponding to the electric energy metering data of the next period in the first row, namely a starting check code f57a5715195609618bf31f13b79fa4da, a freezing time scale 2017, 7, month, 2, day, 14, 30 minutes, and generates a check code 630b73a9fff8bb9e22e34741fe06498a according to the electric energy metering data 0 of the period.
The third line is used for calculating a check code corresponding to the electric energy metering data of the next period of the second line; and the fourth line is used for calculating a check code corresponding to the electric energy metering data of the next period of the third line.
TABLE 1 check code Generation mechanism
The system introduces the data verification master station, calculates the electric energy metering data verification value in each link of the data verification master station and data transmission by adopting a chain algorithm, judges which link the electric energy metering data is tampered in by comparing the verification values, ensures that market participants obtain accurate and reliable metering data, and has good application prospect.
as shown in fig. 2, a method for verifying electric energy metering data for an electric power retail market includes the following steps:
step 1, periodically acquiring electric energy metering data by an intelligent electric energy meter, and calculating a check code corresponding to the electric energy metering data acquired at the end of a preset check period by adopting a chain algorithm; the chain algorithm adopts a hash algorithm with good modification resistance and easy calculation, such as the MD5 algorithm and the like.
And 2, the acquisition terminal receives the electric energy metering data sent by the intelligent electric energy meter, and a chain algorithm is adopted to calculate a check code corresponding to the electric energy metering data acquired at the end of the preset check period.
and 3, the acquisition master station receives the electric energy metering data sent by the acquisition terminal, and calculates a check code corresponding to the electric energy metering data acquired at the end of the preset check period by adopting a chain algorithm.
And 4, the electricity selling main body receives the electric energy metering data sent by the collecting master station, calculates a check code corresponding to the electric energy metering data collected at the end of a preset check period by adopting a chain algorithm, and sends the electric energy metering data to the electric power client side.
And 5, the data verification master station receives the electric energy metering data from the electric power client side, calculates a verification code corresponding to the electric energy metering data acquired at the end of the preset verification period by adopting a chain algorithm, compares the verification code calculated by the intelligent electric energy meter, the verification code calculated by the acquisition terminal, the verification code calculated by the acquisition master station, the verification code calculated by the electricity selling main body and the self-calculated verification code, and judges whether the electric energy metering data is tampered.
The process of comparing the check codes is as follows:
1) If the check code calculated by the data check master station is consistent with the check code calculated by the intelligent electric energy meter, the electric energy metering data is not tampered in the transmission link;
2) And if the check code calculated by the data check master station is inconsistent with the check code calculated by the intelligent electric energy meter, comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station and the check code calculated by the electricity selling main body in pairs, and determining the link of tampering. Such as: and if the check code calculated by the acquisition terminal is consistent with the check code calculated by the acquisition master station and the check code calculated by the acquisition terminal is inconsistent with the check code calculated by the intelligent electric energy meter, the fact that the acquisition terminal is tampered is indicated.
In all the links, the process of calculating the check code is consistent, and the method specifically comprises the following steps:
S1) taking a check code corresponding to the electric energy metering data of the last acquisition period of the same data identification, the electric energy metering data of the acquisition period and a freezing time scale of the electric energy metering data of the acquisition period as input, and calculating the check code corresponding to the electric energy metering data of the acquisition period by adopting a chain algorithm; if the acquisition cycle is an initial cycle, taking an initial check code, initial cycle electric energy metering data and an initial cycle electric energy metering data freezing time scale as input;
s2) repeating the step S1 until the collection cycle is the last collection cycle of the verification cycle, and obtaining a verification code corresponding to the electric energy metering data collected at the end of the preset verification cycle.
The calculation process of the initial check code comprises the following steps: and taking the address, the zero clearing time and the data identification of the intelligent electric energy meter as input, and calculating the initial check code by adopting a chain algorithm.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an electric energy measurement data check-up system towards electric power retail market, includes intelligent electric energy meter, acquisition terminal, gathers main website and sells electric main part, and electric energy measurement data is gathered to intelligence electric energy meter periodicity, and electric energy measurement data passes through acquisition terminal, gathers main website and sells electric main part in proper order, sends for electric power customer side at last, its characterized in that: the system also comprises a data checking main station,
The intelligent electric energy meter, the acquisition terminal, the acquisition master station and the electricity selling main body all adopt a chain algorithm to calculate a check code corresponding to the electric energy metering data acquired at the end of a preset check period;
the data checking master station: receiving electric energy metering data from an electric power client side, and calculating a check code corresponding to the electric energy metering data acquired at the end of a preset check period by adopting a chain algorithm; comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station, the check code calculated by the electricity selling main body and the check code calculated by the electricity selling main body, and judging whether the electric energy metering data is tampered;
Calculating a check code corresponding to the electric energy metering data acquired at the end of the preset check period,
s1) taking a check code corresponding to the electric energy metering data of the last acquisition period of the same data identification, the electric energy metering data of the acquisition period and a freezing time scale of the electric energy metering data of the acquisition period as input, and calculating the check code corresponding to the electric energy metering data of the acquisition period by adopting a chain algorithm; if the acquisition cycle is an initial cycle, taking an initial check code, initial cycle electric energy metering data and an initial cycle electric energy metering data freezing time scale as input;
s2) repeating the step S1 until the collection period is the last collection period of the verification period, and obtaining a verification code corresponding to the electric energy metering data collected at the end of the preset verification period.
2. the electric energy metering data verification system for the electric power retail market according to claim 1, characterized in that: the initial check code is calculated by the following procedure,
And taking the address, the zero clearing time and the data identification of the intelligent electric energy meter as input, and calculating the initial check code by adopting a chain algorithm.
3. The electric energy metering data verification system for the electric power retail market according to claim 1, characterized in that: the process of comparing the check codes is that,
if the check code calculated by the data check master station is consistent with the check code calculated by the intelligent electric energy meter, the electric energy metering data is not tampered in the transmission link;
And if the check code calculated by the data check master station is inconsistent with the check code calculated by the intelligent electric energy meter, comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station and the check code calculated by the electricity selling main body in pairs, and determining the link of tampering.
4. The electric energy metering data verification system for the electric power retail market according to any one of claims 1 to 2, characterized in that: the chained algorithm is a hash algorithm.
5. An electric energy metering data verification method for an electric power retail market is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
The method comprises the steps that the intelligent electric energy meter periodically collects electric energy metering data, and a chain algorithm is adopted to calculate a check code corresponding to the electric energy metering data collected at the end of a preset check period;
the method comprises the steps that an acquisition terminal receives electric energy metering data sent by an intelligent electric energy meter, and a check code corresponding to the electric energy metering data acquired at the end of a preset check period is calculated by adopting a chain algorithm;
the method comprises the steps that an acquisition master station receives electric energy metering data sent by an acquisition terminal, and a chain algorithm is adopted to calculate a check code corresponding to the electric energy metering data acquired at the end of a preset check period;
the electricity selling main body receives the electric energy metering data sent by the collecting master station, calculates a check code corresponding to the electric energy metering data collected at the end of a preset check period by adopting a chain algorithm, and sends the electric energy metering data to the electric power client side;
The method comprises the steps that a data verification master station receives electric energy metering data from an electric power client side, a chain algorithm is adopted to calculate a verification code corresponding to the electric energy metering data collected at the end of a preset verification period, the verification code calculated by an intelligent electric energy meter, the verification code calculated by a collection terminal, the verification code calculated by the collection master station, the verification code calculated by an electricity selling main body and the verification code calculated by the data verification master station are compared, and whether the electric energy metering data is tampered or not is judged;
calculating a check code corresponding to the electric energy metering data acquired at the end of the preset check period,
s1) taking a check code corresponding to the electric energy metering data of the last acquisition period of the same data identification, the electric energy metering data of the acquisition period and a freezing time scale of the electric energy metering data of the acquisition period as input, and calculating the check code corresponding to the electric energy metering data of the acquisition period by adopting a chain algorithm; if the acquisition cycle is an initial cycle, taking an initial check code, initial cycle electric energy metering data and an initial cycle electric energy metering data freezing time scale as input;
S2) repeating the step S1 until the collection period is the last collection period of the verification period, and obtaining a verification code corresponding to the electric energy metering data collected at the end of the preset verification period.
6. The electric energy metering data verification method for the electric power retail market according to claim 5, characterized in that: the initial check code is calculated by the following procedure,
And taking the address, the zero clearing time and the data identification of the intelligent electric energy meter as input, and calculating the initial check code by adopting a chain algorithm.
7. The electric energy metering data verification method for the electric power retail market according to claim 5, characterized in that: the process of comparing the check codes is that,
If the check code calculated by the data check master station is consistent with the check code calculated by the intelligent electric energy meter, the electric energy metering data is not tampered in the transmission link;
and if the check code calculated by the data check master station is inconsistent with the check code calculated by the intelligent electric energy meter, comparing the check code calculated by the intelligent electric energy meter, the check code calculated by the acquisition terminal, the check code calculated by the acquisition master station and the check code calculated by the electricity selling main body in pairs, and determining the link of tampering.
8. The electric energy metering data verification method for the electric power retail market according to any one of claims 5 to 6, characterized by comprising the following steps: the chained algorithm is a hash algorithm.
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| CN104331840B (en) * | 2014-10-27 | 2018-08-28 | 东南大学 | The optimal power purchase method of load retailer under Power Market |
| CN104618064B (en) * | 2015-02-13 | 2018-07-24 | 广州供电局有限公司 | Static information monitoring method based on CRC check and device |
| CN105844901A (en) * | 2016-05-23 | 2016-08-10 | 光科技股份有限公司 | Security energy efficiency monitoring terminal based on tamper-proof technology and monitoring method of security energy efficiency monitoring terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1441450A1 (en) * | 2002-09-13 | 2004-07-28 | Thomson Licensing S.A. | Process for the relative locating of two electrical appliances |
| CN101162264A (en) * | 2006-10-13 | 2008-04-16 | 红相电力（上海）有限公司 | Watthour meter remote verify monitoring system |
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