CN113219235B - High-instantaneity data updating method applied to electricity acquisition system - Google Patents
High-instantaneity data updating method applied to electricity acquisition system Download PDFInfo
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- CN113219235B CN113219235B CN202110504963.5A CN202110504963A CN113219235B CN 113219235 B CN113219235 B CN 113219235B CN 202110504963 A CN202110504963 A CN 202110504963A CN 113219235 B CN113219235 B CN 113219235B
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- 230000005611 electricity Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000004422 calculation algorithm Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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Abstract
The invention discloses a high real-time data updating method applied to an electricity acquisition system, which comprises the following steps: (1) The electricity acquisition system master station transmits the update strategy to the acquisition equipment; (2) The acquisition equipment acquires data from an acquisition target according to the issued updating strategy and reports the data to the electricity acquisition system master station; (3) And the graphical interface software generates dynamic indication values, curves and statistical data according to the obtained data, and carries out alarm notification on the abnormal data according to an algorithm. The invention can reasonably allocate resources, reduce resource waste and greatly improve data updating efficiency.
Description
Technical Field
The invention relates to the technical field of data transmission, in particular to a high-instantaneity data updating method applied to an electricity acquisition system.
Background
In the prior art, real-time data acquisition in an electricity acquisition system is mainly realized by the following two methods: (1) and (3) periodically reporting: the electricity acquisition system master station sets an acquisition period (5-15 minutes) as short as possible after evaluation according to the total amount of equipment acquisition tasks and the acquisition efficiency of equipment, and actively inquires or orders a terminal to report data according to the period; (2) relay communication: the acquisition equipment is used as a relay, and the master station directly communicates with the target equipment to acquire data.
The two ways have some defects which are difficult to avoid if the two ways are applied to dynamic visualization of data or statistical calculation of special services: in the method (1), the update frequency of the data is too low, so that a plurality of business functions with higher requirements on the real-time property of the data are difficult to support; in order to improve the data updating frequency, a large amount of resources of the acquisition equipment are occupied, and the resource space of the equipment for other service functions is compressed; the related parameter is a fixed value and cannot be adjusted according to the real-time requirement of the system; in the method (2), the master station does not have the capability of parallel acquisition (such as parallel split channels and frequency division), so that the data acquisition efficiency is limited; because the whole flow is led by the master station, the mode can occupy a large amount of master station resources in consideration of the fact that one master station manages a large number of acquisition devices.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-instantaneity data updating method applied to the electricity acquisition system, which can reasonably allocate resources, reduce resource waste and greatly improve data updating efficiency.
In order to solve the technical problems, the invention provides a high real-time data updating method applied to an electricity acquisition system, which comprises the following steps:
(1) The electricity acquisition system master station transmits the update strategy to the acquisition equipment;
(2) The acquisition equipment acquires data from an acquisition target according to the issued updating strategy and reports the data to the electricity acquisition system master station;
(3) And the graphical interface software generates dynamic indication values, curves and statistical data according to the obtained data, and calculates and judges the dynamic indication values, the curves and the statistical data through an external special algorithm, so that alarm notification is carried out on abnormal data.
Preferably, in step (1), the power consumption acquisition system master station issues an update policy to the acquisition device, which specifically includes the following steps:
(11) The electricity acquisition system master station issues a starting command to the acquisition equipment;
(12) After receiving the starting command, the acquisition equipment continuously acquires and reports data within the updating duration time;
(13) After the update duration time is over, the acquisition equipment actively inquires the master station of the electricity acquisition system whether to renew data update or not, and if the master station replies to renew, the update duration time is executed again, and the cycle is performed;
(14) If the electricity acquisition system master station responds that updating is not renewed in a certain inquiry, or the electricity acquisition system master station does not receive the response of the electricity acquisition system master station, or the electricity acquisition system master station actively issues a stop command, the data updating is stopped.
Preferably, in step (11), the start command includes an update duration, a reporting interval, an update target set, and update data set information.
Preferably, in the step (2), the collecting device collects data from the collecting target according to the issued updating policy, and reports the data to the electricity collecting system main station specifically includes the following steps:
(21) After the acquisition equipment obtains an updating strategy, parallel meter reading is carried out according to an acquisition target set, a sub-channel and a frequency division section in the strategy, and all acquisition targets are ensured to have the same acquisition opportunity;
(22) According to the collection data item set in the strategy, sequentially collecting all data items, and immediately collecting a new round from the beginning after all data items are collected;
(23) And after each reporting interval time, packaging all data acquired in the previous interval time and reporting.
The beneficial effects of the invention are as follows: the notification mode is adopted to control the starting/stopping of data updating, so that the flexibility of acquisition is improved, and the long-time occupation of equipment resources is avoided; the method for designating the acquisition range by the master station is provided, so that the effectiveness of data acquisition is greatly improved, and equipment resources are saved; and as distributed data acquisition and reporting are adopted, the occupation of data updating to the resources of the master station is effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the overall architecture of the system of the present invention.
FIG. 2 is a diagram illustrating a data update initiation command format according to the present invention.
FIG. 3 is a schematic diagram of a data update triggering/stopping process according to the present invention.
Fig. 4 is a schematic diagram of data acquisition and reporting according to the present invention.
Detailed Description
As shown in fig. 1-4, a method for updating data with high real-time performance applied to an electricity acquisition system comprises the following steps:
(1) The electricity acquisition system master station transmits the update strategy to the acquisition equipment;
(2) The acquisition equipment acquires data from an acquisition target according to the issued updating strategy and reports the data to the electricity acquisition system master station;
(3) And the graphical interface software generates dynamic indication values, curves and statistical data according to the obtained data, and calculates and judges the dynamic indication values, the curves and the statistical data through an external special algorithm, so that alarm notification is carried out on abnormal data.
In the step (1), the main station of the electricity acquisition system issues an update strategy to the acquisition equipment, and specifically comprises the following steps:
(11) The electricity acquisition system master station issues a starting command to the acquisition equipment;
(12) After receiving the starting command, the acquisition equipment continuously acquires and reports data within the updating duration time;
(13) After the update duration time is over, the acquisition equipment actively inquires the master station of the electricity acquisition system whether to renew data update or not, and if the master station replies to renew, the update duration time is executed again, and the cycle is performed;
(14) If the electricity acquisition system master station responds that updating is not renewed in a certain inquiry, or the electricity acquisition system master station does not receive the response of the electricity acquisition system master station, or the electricity acquisition system master station actively issues a stop command, the data updating is stopped.
In the step (2), the collecting device collects data from the collecting target according to the issued updating strategy, and reports the data to the main station of the electricity collecting system specifically comprises the following steps:
(21) After the acquisition equipment obtains an updating strategy, parallel meter reading is carried out according to an acquisition target set, a sub-channel and a frequency division section in the strategy, and all acquisition targets are ensured to have the same acquisition opportunity;
(22) According to the collection data item set in the strategy, sequentially collecting all data items, and immediately collecting a new round from the beginning after all data items are collected;
(23) And after each reporting interval time, packaging all data acquired in the previous interval time and reporting.
The method can be applied to various scenes with high requirements on data real-time performance, such as dynamic updating of graphic interface data: the specific data of a group of users is monitored through the graphical interface, so that the interface value can be updated at a higher frequency, and the problem of overlong updating period of the original system data is solved; such as electrical load analysis: the invention can obtain high-density curve data, can better reflect the change condition of each electric power index, and obtain high-quality load analysis results through a special statistical method and algorithm. By adopting the method of the invention, the real-time acquisition effect of the acquisition equipment is greatly improved, as shown in tables 1 and 2.
Table 1 comparison table of the method of the present invention with other methods under an environment with a small number of collected targets (5)
Table 2 comparison of the method of the present invention with other methods in an environment where the number of acquisition targets is large (100)
An enterprise plan installs a set of electricity monitoring system, collects various electricity data of workshops and key equipment during production, and uploads the electricity data to a master station system of a service side. The method is characterized in that a graphical interface provided by a service side is displayed on a display screen for maintenance personnel to check comprehensive electricity consumption conditions, an electricity consumption plan is arranged according to the comprehensive electricity consumption conditions, problems are found in time, and the method comprises the following specific operations:
1. the master station issues a starting update command, the update duration is 5 minutes, reporting intervals are 10 seconds, and power utilization voltage, current, power and harmonic data of 5 workshops and 10 devices are collected;
2. the collecting device continuously collects the appointed data within 5 minutes;
3. the acquisition equipment packs the data acquired in 10 seconds every 10 seconds and reports the data to the master station system;
4. the master station renews data update every 5 minutes according to the requirements of clients or stops data update;
5. and the graphical interface software generates dynamic indication values, curves and statistical data according to the obtained data, and carries out alarm notification on the abnormal data according to an algorithm.
The system solves the defects of the original acquisition system in data quantity and acquisition efficiency by adopting the method of the invention, obtains the data which can meet the requirements of electricity consumption monitoring service, and greatly improves the practicability of the electricity consumption monitoring system.
Claims (3)
1. The high-real-time data updating method applied to the electricity acquisition system is characterized by comprising the following steps of:
(1) The electricity acquisition system master station transmits the update strategy to the acquisition equipment; the method specifically comprises the following steps:
(11) The electricity acquisition system master station issues a starting command to the acquisition equipment;
(12) After receiving the starting command, the acquisition equipment continuously acquires and reports data within the updating duration time;
(13) After the update duration time is over, the acquisition equipment actively inquires the master station of the electricity acquisition system whether to renew data update or not, and if the master station replies to renew, the update duration time is executed again, and the cycle is performed;
(14) If the electricity acquisition system master station responds that updating is not renewed in a certain inquiry, or the electricity acquisition system master station does not receive the response of the electricity acquisition system master station, or the electricity acquisition system master station actively issues a stop command, the data updating is stopped;
(2) The acquisition equipment acquires data from an acquisition target according to the issued updating strategy and reports the data to the electricity acquisition system master station; the method specifically comprises the following steps:
(21) After the acquisition equipment obtains an updating strategy, parallel meter reading is carried out according to an acquisition target set, a sub-channel and a frequency division section in the strategy, and all acquisition targets are ensured to have the same acquisition opportunity;
(22) According to the collection data item set in the strategy, sequentially collecting all data items, and immediately collecting a new round from the beginning after all data items are collected;
(23) Every time a reporting interval time passes, all data acquired in the previous interval time are packed and reported;
(3) And the graphical interface software generates relevant data according to the obtained data, and carries out alarm notification on the abnormal data through calculation and judgment.
2. The method for updating data in high real-time in a power consumption system according to claim 1, wherein in step (11), the start command includes an update duration, a reporting interval time, an update target set, and update data set information.
3. The method for updating data in high real-time in power consumption system as recited in claim 1, wherein in step (3), the related data includes dynamic indication, curve and statistical data.
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