CN206945867U - A kind of line loss real time monitoring apparatus - Google Patents

Abstract

The utility model relates to a real-time monitoring device for line loss, which includes an electric energy meter connected to a power line and a real-time monitoring system installed inside the real-time monitoring device, and also includes a data acquisition module and a monitoring computer. The electric energy meter includes a meter for measuring current, voltage and The measured electric energy meter and the standard meter of the pulse signal, the measured electric energy meter and the standard meter are respectively connected to the data acquisition module; the real-time monitoring system includes a single-chip microcomputer, an audible and visual alarm module, an audible and visual alarm, a storage module, a keyboard, a mouse, and a liquid crystal display And wireless communication module, single-chip microcomputer respectively connect data acquisition module, sound and light alarm module, storage module, keyboard, mouse, liquid crystal display and wireless communication module; The monitoring effect is good.

Description

A line loss real-time monitoring device

technical field

The utility model relates to a real-time monitoring device for line loss.

Background technique

At present, for the production and management relying on the traditional working mode, meter reading, power calculation and line loss analysis are all done manually, the work tasks are heavy, the efficiency is low, the integrity and accuracy of the data cannot be guaranteed, the line loss rate and The network loss rate is high.

With the development of the power system, the level of automation has also been continuously improved. Most of the factories and stations have achieved unmanned duty. The scale of the factories and stations and the number of metering points continue to increase. The working mode has been unable to adapt to the development of the power system. Therefore, relying on modern computer technology and communication technology to improve the automation level of measurement production management has become an urgent need for enterprise production and management. The existing problem is that it is necessary to detect power-stealing users and metering faults in time. At present, the solution is mainly to install a metering AC sampling comparison analysis system at the power terminal and manually check the power-stealing and metering fault systems. This method requires a lot of manpower and material resources, but the problem is often delayed, and the data cannot be transmitted to the background well, and the power data information can be stored in time and the abnormal data can be alarmed. Therefore, it cannot be well monitored in real time.

Utility model content

In order to solve the problems of the prior art, the utility model provides a real-time monitoring device capable of timely and accurately counting electric quantity and line loss indicators, so as to realize real-time monitoring and good monitoring effect.

The specific technical scheme of the utility model is as follows: a real-time monitoring device for line loss, including an electric energy meter connected to the power line and a real-time monitoring system installed inside the real-time monitoring device, and also includes a data acquisition module and a monitoring computer. The electric energy meter includes A measured electric energy meter and a standard meter for measuring current, voltage and pulse signals, and the measured electric energy meter and the standard meter are respectively connected to the data acquisition module;

Described real-time monitoring system comprises single-chip microcomputer, sound and light alarm module, sound and light alarm, storage module, keyboard, mouse, liquid crystal display and wireless communication module, and described single chip is respectively connected data acquisition module, sound and light alarm module, storage module, keyboard , mouse, liquid crystal display and wireless communication module, described wireless communication module comprises GPRS communication module and WIFI communication module, described sound and light alarm module connects sound and light alarm;

The monitoring computer includes a local monitoring computer and a remote monitoring computer, the local monitoring computer is connected to the WIFI communication module, and the GPRS communication module is connected to the remote monitoring computer.

Below is the subsidiary technical scheme of the utility model.

As a preferred solution, the data collection module is an intelligent data collection module whose model is SunYuanSY2008, which is used to collect data on power supply and user power consumption.

As a preferred solution, the standard meter is a three-phase electric energy standard meter, the model of which is GY3050, which is used for measuring AC voltage, current, power and electric energy under single-phase and three-phase four-wire connection modes.

As a preferred solution, the model of the single-chip microcomputer is W8-4-4-200PT.

As a preferred solution, the GPRS communication module can be replaced by a CDMA or MP3 communication module.

As a preferred solution, the liquid crystal display is used to display power supply, power reception and line loss graphs.

The technical effect of the utility model: the utility model can measure electric energy for the electric energy meter, and transmit the data to the single-chip microcomputer through the data acquisition module, and can display and analyze the line loss curve of the power line through the single-chip microcomputer in real time. Alarm reminder, and transmitted to the monitoring computer through the wireless communication module, real-time monitoring can be carried out by the monitoring computer. Line loss indicators, so as to achieve real-time monitoring and monitoring effect is good.

Description of drawings

Fig. 1 is a schematic diagram of the system of the real-time monitoring device for line loss of the present invention.

In the figure, an electric energy meter 1, a measured electric energy meter 11, a standard meter 12, a data acquisition module 2, a real-time monitoring system 3, a single chip microcomputer 31, an audible and visual alarm module 32, an audible and visual alarm 33, a storage module 34, and a data output interface 341, a keyboard 35, a mouse 36, a liquid crystal display 37, a wireless communication module 38, a WIFI communication module 381, a GRS communication module 382, a monitoring computer 4, a local monitoring computer 41, and a remote monitoring computer 42.

detailed description

Below, the substantive features and advantages of the utility model are further described in conjunction with examples, but the utility model is not limited to the listed embodiments.

As shown in Figure 1, a kind of line loss real-time monitoring device of the present embodiment comprises the electric energy meter 1 that is connected with power line and is installed in the real-time monitoring system 3 of real-time monitoring device, also includes data acquisition module 2 and monitoring computer 4, so The electric energy meter 1 includes a measured electric energy meter 11 and a standard meter 12 for measuring current, voltage and pulse signal, and a plurality of measured electric energy meters and standard meters can be provided, which are connected with corresponding power lines. The electric energy meter 11 and the standard meter 12 are respectively connected to the data acquisition module 2; the measured electric energy meter and the standard meter are used to collect electric energy data, including measuring current, voltage, pulse signal, and then the above-mentioned signals are collected by the data acquisition module and connected to real-time monitoring system.

Described real-time monitoring system 3 comprises single-chip microcomputer 31, sound and light alarm module 32, sound and light alarm 33, storage module 34, keyboard 35 and mouse 36, liquid crystal display 37 and wireless communication module 38, and described single-chip microcomputer 31 connects data acquisition module respectively 2, sound and light alarm module 32, storage module 34, keyboard 35, mouse 36, liquid crystal display 37 and wireless communication module 38, described wireless communication module 38 comprises GPRS communication module 381 and WIFI communication module 382; Keyboard and mouse are used for The setting of voltage, current and other numerical values is controlled by the single-chip microcomputer. When the data collected by the data acquisition module is greater than the set data, the collected data can be analyzed through the single-chip control, and the power supply, power consumption and line loss curves are automatically drawn. The liquid crystal display shows the graphs of power supply, power reception and line loss, and the data can also be stored through the storage module. The storage module is equipped with a data output port, which can output data for easy storage.

The monitoring computer 4 includes a local monitoring computer 41 and a remote monitoring computer 42 , the local monitoring computer 41 is connected to the WIFI communication module 381 , and the GPRS communication module 382 is connected to the remote monitoring computer 42 . And in order to facilitate monitoring, the local monitoring computer and the remote monitoring computer are respectively connected by connecting the wireless communication module to facilitate remote monitoring. The monitoring computer can be set in the substation or monitoring background.

The data collection module 2 is an intelligent data collection module, its model is SunYuanSY2008, which is used to collect the data of export power supply and user power consumption. Low-cost, small-volume modular design, data acquisition is isolated and converted to RS485/232 Supports ModbusRTU communication protocol Excellent measurement accuracy, can be programmed to calibrate module accuracy, high reliability, convenient programming, easy installation and wiring, data acquisition results are displayed through LED digital display , Real-time monitoring can be carried out directly according to the field data collection and display results.

The standard meter 12 is a three-phase electric energy standard meter, its model is GY3050, which is used for measuring AC voltage, current, power and electric energy under single-phase, three-phase four-wire connection mode. Power includes active power, reactive power, and apparent power.

The model of the single-chip microcomputer 31 is W8-4-4-200PT. The program in the single-chip control circuit calculates the line loss value at each time point, and automatically draws the power supply, receiving power and line loss curves.

The GPRS communication module 382 can be replaced by a CDMA or MP3 communication module. Make the long-distance wireless communication mode flexible and diverse.

The liquid crystal display 4 is used to display power supply, power reception and line loss graphs.

Based on the above technical scheme, the utility model converts and processes the collected meter pulse, voltage and current signals through the measured electric energy meter or the standard meter. The signal of the meter or standard meter is transmitted to the real-time monitoring system, and the single-chip computer is connected to the storage module to store the data. During the monitoring process, the voltage and current can be set. When the voltage and current at the line loss are greater than the set range value, it can be The alarm module is reminded by the sound and light alarm. The communication terminal can be a monitoring computer, and the monitoring computer can also manage and monitor. The online reading data is transmitted to the monitoring computer through the wireless communication module, thereby realizing online monitoring.

The utility model can measure electric energy for the electric energy meter, transmit the data to the single-chip microcomputer through the data acquisition module, and can display and analyze the line loss curve of the power line on the liquid crystal display through the single-chip microcomputer in real time. The module is transmitted to the monitoring computer, which can be monitored in real time by the monitoring computer. The device has stable performance, advanced and reliable, powerful functions, and strong processing capacity, which fully meets the application requirements of the system. It can timely and accurately count power and line loss indicators, thereby realizing real-time Monitoring and monitoring effect is good.

It should be pointed out that the above-mentioned preferred embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit this utility model. Protection scope of utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (6)

1. a kind of line loss real time monitoring apparatus, including the electric energy meter that is connected with power line and inside real time monitoring apparatus Real-time monitoring system, it is characterised in that also including data acquisition module and monitoring computer, the electric energy meter includes being used to measure The tested electric energy meter and standard scale of electric current, voltage and pulse signal, the tested electric energy meter, standard scale are respectively and data acquisition module Block connects；

The real-time monitoring system includes single-chip microcomputer, sound and light alarm module, audible-visual annunciator, memory module, keyboard, mouse, liquid Crystal display and wireless communication module, the single-chip microcomputer connect data acquisition module respectively, sound and light alarm module, memory module, Keyboard, mouse, liquid crystal display and wireless communication module, the wireless communication module includes GPRS communication modules and WIFI communicates Module, the sound and light alarm module connect audible-visual annunciator；

The monitoring computer includes local monitor computer and remote monitoring computer, the local monitor computer connection WIFI communication modules, the GPRS communication modules connect remote monitoring computer.

2. line loss real time monitoring apparatus as claimed in claim 1, it is characterised in that the data acquisition module is intelligent data Acquisition module, its model SunYuanSY2008, for gathering delivery and user by electric quantity data.

3. line loss real time monitoring apparatus as claimed in claim 1, it is characterised in that the standard scale is three-phase electric energy standard Table, its model GY3050, under single-phase, the three-phase and four-line mode of connection to alternating voltage, electric current, power and electric energy measurement.

4. line loss real time monitoring apparatus as claimed in claim 1, it is characterised in that the model W8-4-4- of the single-chip microcomputer 200PT。

5. a kind of line loss real time monitoring apparatus as claimed in claim 1, it is characterised in that the GPRS communication modules are replaceable For CDMA or MP3 communication modules.

6. a kind of line loss real time monitoring apparatus as claimed in claim 1, it is characterised in that the liquid crystal display is used to show Delivery, by electricity and line loss curve map.