CN105550380A - High-power-distribution user power data acquisition and access system and working method thereof - Google Patents

Abstract

The power consumption data acquisition and access system of high-end distribution users and its working method relate to a power consumption data acquisition and access system. At present, the collection of power consumption data of high-end distribution users needs to be collected through the front channel of power distribution terminal → communication transmission network → dispatching automation system Real-time data requires large economic investment and consumes a lot of resources. The invention includes a power consumption data acquisition module for distribution users, a power consumption data storage module for high distribution users, and a power consumption data access module for high distribution users. This technical solution uses electricity information collection system → data collection → non-network forwarding → access to the front of the dispatching automation system with a single virtual site, without the need to increase the construction of corresponding communication transmission networks, and the dispatching front system does not need to access a large number of sites, Reduced consumption of resources.

Description

Power consumption data acquisition and access system for high-end users and its working method

technical field

The invention relates to a system for collecting and connecting electricity consumption data, in particular to a system for collecting and connecting electricity consumption data for high-end users.

Background technique

At present, the collection of power consumption data of high-end users needs to collect real-time data through the power distribution terminal→communication transmission network→dispatching automation system front channel. In this way, real-time and accurate load data can be collected. However, for a large number of high-end users, the installation Power distribution terminals and the construction of corresponding communication transmission networks require huge economic investment. At the same time, the access of a large number of sites will also greatly consume the hardware and software resources of the scheduling automation front-end system.

Contents of the invention

The technical problem to be solved and the technical task proposed by the present invention are to perfect and improve the existing technical solutions, provide a high-end user electricity data acquisition and access system and its working method, so as to achieve the purpose of saving hardware resources. For this reason, the present invention takes the following technical solutions.

High-end user electricity data collection and access system, including:

Power consumption data acquisition module for high-end users: used to call the browser plug-in, and automatically access the web page of the power consumption information collection system through a network connection. And parse the html file to obtain the power consumption data of high-end users and store it in the local database;

High-end user electricity consumption data storage module: used to store a local database containing high-end user electricity consumption data;

High-end user power data access module: used for data transmission through the serial port one-way dispatching automation system; high-end user power data is forwarded through the RS232 serial port and photoelectric isolation, and is connected to the front of the dispatching automation system with a single virtual site. The local database is used as a data source and sends telemetry data to the dispatch automation system cyclically.

The particularity of power consumption data of high-end users does not require high real-time performance, and the data collection mainly considers integrity and low investment. At the same time, with the widespread installation and use of smart meters, the electricity consumption information collection system that collects smart meter data through GPRS stores high-profile users' electricity load data and time stamps. Through the collection, storage and forwarding of these data, the cost of data collection and System load, forwarding data in a non-network mode to achieve network isolation, meeting the needs of secondary security network isolation. The power consumption data collection and access system of high-profile users realizes the collection and forwarding of power consumption data of many high-profile users through the power consumption information collection system → data collection → non-network forwarding → access to the scheduling automation system with a single virtual site; The data source of the acquisition system and the statistical analysis tool of the dispatching automation system realize the statistical analysis of power consumption data and load monitoring of high-end distribution users, and a set of interface systems that improve the ability of distribution network regulation and operation. This technical solution does not need to increase the corresponding communication transmission network, and the dispatching front-end system does not need to access a large number of stations, which reduces resource consumption.

As a further improvement and supplement to the above technical solutions, the present invention also includes the following additional technical features.

When accessing the web page of the power consumption information collection system, the high-end user electricity data acquisition module uses the graphic feature code to identify the login verification code and automatically fills in the user name, password, and verification code form, thereby realizing automatic login and error reconnection functions.

High-end user electricity consumption data acquisition access system is characterized in that: the attributes of the local database include plant serial number, account number, name, coefficient, inversion mark, active value, reactive value, time; high-end user electricity data acquisition module The collected high-end users' electricity consumption data is written into the database according to their attributes, and the high-end users' electricity consumption data access module regularly queries the database according to the set time. After the data is processed, it is sent using the circular telecontrol protocol.

The method for collecting and accessing power consumption data of high-end users includes the following steps:

S01: Visit the web page of the electricity consumption information collection system;

S02: Obtain a pattern identification code;

S03: Identify the obtained graphic verification code to obtain the graphic verification code, and automatically fill in the graphic verification code, user name, password, and verification code form. If the input is wrong, return to S02, otherwise enter the next step to realize automatic login and verification. error reconnect;

S04: According to the high-profile user information, query the high-profile user's electricity consumption data in the power consumption information collection system one by one, and write the obtained data into the database; the database attributes include the plant serial number, account number, name, coefficient, and reverse indication , active power value, reactive power value, and time; among them, the plant serial number, account number, power plant name, coefficient, and reverse are marked as manual maintenance table fields;

S05: Calculate and process the data in the database;

S06: Perform protocol encoding on the high-end user power consumption data after one-way serial port and photoelectric transmission;

S07: Send the power consumption data of the high-end users after the protocol encoding.

Beneficial effects: Through the electricity consumption information collection system → data collection → non-network forwarding → access to the front of the dispatching automation system with a single virtual site, the collection and forwarding of electricity consumption data of many high-profile users is realized; the data source and data of the electricity information collection system are utilized The statistical analysis tool of the dispatching automation system is a set of interface system that realizes the statistical analysis and load monitoring of the power consumption data of high-end distribution users, and improves the ability of distribution network regulation and operation. This technical solution does not need to increase the corresponding communication transmission network, and the dispatching front-end system does not need to access a large number of stations, which reduces resource consumption.

Description of drawings

Fig. 1 is the flow chart of the present invention.

detailed description

The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.

The high-end user electricity data collection and access system includes:

Power consumption data acquisition module for high-end users: used to call the browser plug-in, and automatically access the web page of the power consumption information collection system through a network connection. And parse the html file to obtain the power consumption data of high-end users and store it in the local database;

High-end user electricity consumption data storage module: used to store a local database containing high-end user electricity consumption data;

High-end user power data access module: used for data transmission through the serial port one-way dispatching automation system; high-end user power data is forwarded through the RS232 serial port and photoelectric isolation, and is connected to the front of the dispatching automation system with a single virtual site. The local database is used as a data source and sends telemetry data to the dispatch automation system cyclically.

Among them: the attributes of the local database include the plant serial number, account number, name, coefficient, inversion mark, active value, reactive value, and time; the high-end user power consumption data acquisition module will collect the high-end user power consumption data according to the attributes Write into the database, the high-end user electricity data access module regularly queries the database according to the set time, processes the data, and sends it using the cyclic telecontrol protocol.

When accessing the web page of the power consumption information collection system, the high-end user electricity data acquisition module uses the graphic feature code to identify the login verification code and automatically fills in the user name, password, and verification code form, thereby realizing automatic login and error reconnection functions.

The characteristics of the high-end user electricity data collection and access system are:

1. The interface with the electricity consumption information collection system adopts a network connection mode. Since the database of the electricity consumption information collection system is not open to the public and cannot directly access the database to obtain data, the system uses the IE plug-in to automatically access the webpage of the electricity consumption information collection system. By inputting fixed characters, it can realize the polling of high-end users' power consumption data, obtain and parse the html file, obtain the user's power consumption data from it, and store it in the local database. When accessing the webpage of the electricity consumption information collection system, use the graphic feature code to identify the login verification code and automatically fill in the user name, password, and verification code form, thereby realizing automatic login and error reconnection functions.

2. The interface with the dispatching automation system adopts the serial port one-way transmission method in accordance with the secondary security requirements. The high-end user electricity data acquisition system uses the RS232 serial port and is isolated by photoelectricity. As a virtual substation, it is connected to the dispatching automation front channel cabinet. The DL451-91 standard telecontrol communication protocol uses the local database as the data source to send telemetry data to the dispatching automation system cyclically.

3. The local data is managed by mircosoftaccess, and a local database is established, including the serial number of the plant, the account number, the name, the coefficient, the reverse mark, the active value, the reactive value, and the time. Among them, the plant serial number, account number, power station name, coefficient, and inversion are marked as manual maintenance table fields. The acquisition end writes the collected data into the aceess data table, and the sending end regularly queries the data table, and processes the original data according to whether the data table is inverted or not, the proportional coefficient and other domain values, and then sends it using the cyclic telecontrol protocol.

As shown in Figure 1, the method for collecting and accessing power consumption data of high-end users includes the following steps:

S01: Visit the web page of the electricity consumption information collection system;

S02: Obtain a pattern identification code;

S03: Identify the obtained graphic verification code to obtain the graphic verification code, and automatically fill in the graphic verification code, user name, password, and verification code form. If the input is wrong, return to S02, otherwise enter the next step to realize automatic login and verification. error reconnect;

S04: According to the high-profile user information, query the high-profile user's electricity consumption data in the power consumption information collection system one by one, and write the obtained data into the database; the database attributes include the plant serial number, account number, name, coefficient, and reverse indication , active power value, reactive power value, and time; among them, the plant serial number, account number, power plant name, coefficient, and reverse are marked as manual maintenance table fields;

S05: Calculate and process the data in the database;

S06: Perform protocol encoding on the high-end user power consumption data after one-way serial port and photoelectric transmission;

S07: Send the power consumption data of the high-end users after the protocol encoding.

The high-end user electricity data acquisition and access system and its working method shown in Figure 1 above are specific embodiments of the present invention, which have already demonstrated the substantive features and progress of the present invention, and can be based on actual needs. Under the circumstances, the equivalent modification of its shape, structure and other aspects are all within the scope of protection of this scheme.

Claims (4)

1. High-end user electricity data collection and access system, which is characterized by including: Power consumption data acquisition module for high-end users: used to call the browser plug-in, and automatically access the web page of the power consumption information collection system through a network connection. And parse the html file to obtain the power consumption data of high-end users and store it in the local database; High-end user electricity consumption data storage module: used to store a local database containing high-end user electricity consumption data; High-end user power data access module: used for data transmission through the serial port one-way dispatching automation system; high-end user power data is forwarded through the RS232 serial port and photoelectric isolation, and is connected to the front of the dispatching automation system with a single virtual site. The local database is used as a data source and sends telemetry data to the dispatch automation system cyclically. 2. The high-end user electricity consumption data collection and access system according to claim 1, characterized in that: when the high-end user electricity data collection module accesses the webpage of the electricity consumption information collection system, it uses the graphic feature code to identify the login verification code and automatically Fill in the user name, password, verification code form, so as to realize the function of automatic login and error reconnection. 3. The high-end user electricity data collection and access system according to claim 1, characterized in that: the attributes of the local database include plant serial number, account number, name, coefficient, inversion mark, active power value, reactive power value, Time; the high-profile user power consumption data acquisition module writes the collected high-profile user power consumption data into the database according to the attributes, and the high-profile user power consumption data access module regularly queries the database according to the set time. After processing the data, it uses the loop Telecontrol protocol to send. 4. The high-end user electricity data collection and access system is characterized in that it includes the following steps: S01: Visit the web page of the electricity consumption information collection system; S02: Obtain a pattern identification code; S03: Identify the obtained graphic verification code to obtain the graphic verification code, and automatically fill in the graphic verification code, user name, password, and verification code form. If the input is wrong, return to S02, otherwise enter the next step to realize automatic login and verification. error reconnect; S04: According to the high-profile user information, query the high-profile user's electricity consumption data in the power consumption information collection system one by one, and write the obtained data into the database; the database attributes include the plant serial number, account number, name, coefficient, and reverse indication , active power value, reactive power value, and time; among them, the plant serial number, account number, power plant name, coefficient, and inversion are marked as manual maintenance table fields; S05: Calculate and process the data in the database; S06: Perform protocol encoding on the high-end user power consumption data after one-way serial port and photoelectric transmission; S07: Send the power consumption data of the high-end users after the protocol encoding.