CN203433040U

CN203433040U - Non-intrusive electric-energy-metering management system

Info

Publication number: CN203433040U
Application number: CN201320516391.3U
Authority: CN
Inventors: 何平
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-21
Filing date: 2013-08-21
Publication date: 2014-02-12
Anticipated expiration: 2023-08-21

Abstract

The utility model relates to a non-intrusive electric-energy-metering management system including non-intrusive electricity meters, a current transformer, a voltage transformer, a display screen, monitoring centers, an electric-energy controlling private network and a metering management platform. The current transformer and the voltage transformer convert electric signals into digital signals through convertors and send the digital signals into the non-intrusive electricity meters respectively. The non-intrusive electricity meters send the signals into the monitoring center through communication circuits. The monitoring centers are in communication with the electric-energy controlling private network. The electric-energy controlling private network sends aggregated information to the metering management platform. The metering management platform displays the aggregated information through the display screen. The advantages of the non-intrusive electric-energy-metering management system are that the non-intrusive electricity meters carry out classified metering on electricity consumption quantities of different loads connected to a circuit and connection of an electricity meter in each load is not required. The non-intrusive electric-energy-metering management system is capable of carrying out electricity metering and management on electrical devices in a real-time manner so that electricity utilization and electric-energy quality control can be optimized and electricity consumption saving and safety are realized.

Description

A kind of non-intervention type Electric Power Metering Management System

Technical field

The utility model relates to a kind of non-intervention type Electric Power Metering Management System.

Background technology

For many years, electric energy is a kind of energy being widely used, and the energy that it can convert various ways easily to is used.Electric system is used system as the energy of current maximum in the world.Along with science and technology and economic develop rapidly, people are more and more higher to the degree of dependence of electric energy, and the demand of electric energy is also sharply increased.Therefore, the form that converts electric energy to is of a great variety, the significantly upgrading of the voltage of electric system and capacity.Requiring on the one hand the operation of the necessary safety of electric system, also require on the other hand, in electric energy conversion and use procedure, improve the utilization ratio of electric energy, is energy-saving and emission-reduction.

Yi Ge unit, traditional using electricity system only has total electric quantity metering device, and does not substantially understand for the power consumption of all departments.Perhaps, electric quantity metering device has been installed by some enterprises, factories and miness ， subunit, but to its power consumption do not check and rate, optimum management, unreasonable electricity consumption is not examined yet, and causes waste of energy.Therefore, the power consumption real time measure to each electrical appliance, then be optimized, this will impel the saving of electric energy.

Tradition electric quantity metering is to adopt an electrical appliance to fill a voltameter, need have special messenger to check meter.The expense of this device is large, and line is complicated, need personal management.

Brought into use in recent years intelligent electric meter, its inside is that single-chip microcomputer is the control chip composition of core, so, can utilize after the corresponding parameter of programming, just the multiple electric parameter of demonstration of energy " intelligence ".And the precision and the unit that show be all auto-changing, not wanting artificial switching completely can complete.This intelligent electric meter shows all electric parameters such as voltage, electric current, active power, reactive power, applied power, frequency, power factor, harmonic content, active electrical degree, idle electric degree, the transmission of information of networking again.Therefore be called " intelligent electric meter ".But, during electric quantity metering, still need an electrical appliance to fill a voltameter.

Non-intervention type voltameter is to meet " electrical appliance gene " theory, mentally network and associative memory network model based on electrical equipment, can realize the store-memory to parallel pattern and many-valued pattern.This voltameter comprises embedded decomposing module, and this module is for power signal being decomposed into each load of composition, and the energy consumption that is associated with each individual energy-dissipating device in a plurality of energy-dissipating devices of identification.

Non-intervention type voltameter, also claims " in Zhong，Zhi supply line of non-invasion formula voltameter ”， Ji Yige service area (Ru Yige factory, workshop, shop, one family etc.), a non-intervention type voltameter to be installed sometimes.Need on each electrical appliance, not fill voltameter.Described " non-intervention " or " non-invasion " is exactly this connotation.

Non-intervention type voltameter is the theory that has changed traditional electric quantity metering, and this is a technology major transformation of electric quantity metering device, is the innovation of cognitive theory, mentally network and associative memory technology, is the upgrade application of network " wisdom " technology.

Summary of the invention

For overcoming the deficiencies in the prior art, the purpose of this utility model is to adopt non-intervention type voltameter, a kind of non-intervention type Electric Power Metering Management System is provided, without all access voltameter in each load, can realize the electric weight of single load is detected, meet electric system electric quantity metering and monitoring needs.

For achieving the above object, the utility model is achieved through the following technical solutions:

A kind of non-intervention type Electric Power Metering Management System, comprise non-intervention type voltameter, current transformer, voltage transformer (VT), display screen, monitoring center, electric energy management and control private network, measuring control platform, electrical appliance is by supply line and current transformer, voltage transformer (VT) is connected, current transformer, voltage transformer (VT) converts electrical signals to digital signal by transducer respectively and sends to non-intervention type voltameter, non-intervention type voltameter is dealt into monitoring center by communication line by signal, monitoring center and electric energy management and control private network communicate, electric energy management and control private network sends to measuring control platform by the information gathering, measuring control platform is crossed display screen by the information exchange gathering and is shown, and electric energy is carried out to Real-Time Monitoring, allotment in real time, quality optimization and forewarning management, by ZigBee and GPRS communication modes and electrical network, communicate.

Described monitoring center comprises the embedded micro computer of DSP, RS-485 interface, memory, direct supply, LCD display, keyboard, its core parts are the embedded micro computer of DSP, RS-485 interface, memory, direct supply, LCD display, keyboard is all connected with the embedded micro computer of DSP, the information exchange of non-intervention type voltameter is crossed power optical fiber and is dealt into RS-485 interface, by RS-485 interface, received, and communication is arrived to the embedded micro computer of DSP, the embedded micro computer of DSP is crossed ZigBee module and GPRS module and the communication of electric energy management and control private network by the information exchange after processing, and show by LCD display, described ZigBee module and GPRS module are arranged on the embedded micro computer of DSP.

Described current transformer is open type current transformer; Described voltage transformer (VT) is open type voltage transformer (VT).

Described monitoring center is equipped with Prfibus-DP and two kinds of field bus protocols of Modbus.

Compared with prior art, the beneficial effects of the utility model are:

1, non-intervention type voltameter adopts state-of-the-art non-intervention loop monitoring technology, and each load power consumption in docking entry loop enters classification metering, must in each load, not access voltameter, and most economical effective scheme is provided.

2, non-intervention type voltameter adopts open type CT(electric current) and PT(voltage) mutual inductor, and having standard communication interface, little, the easy installation of volume, cost be low, use elasticity large, is extremely beneficial to modern power systems electric quantity metering and monitors needs.

3, adopt non-intervention type voltameter, mix embedded micro computer, by power optical fiber, Prfibus-DP and two kinds of fieldbus of Modbus and ZigBee and two kinds of wireless transmission branch arts of GPRS, the non-intervention type Electric Power Metering Management System forming, what energy was real-time carries out electric quantity metering and management to each electrical appliance, electricity consumption and quality of power supply regulation and control be can optimize, using electricity wisely and safety utilization of electric power realized.

Accompanying drawing explanation

Fig. 1 is non-intervention type voltameter principle schematic.

Tu2Shi electric energy metrical monitoring center principle schematic.

Fig. 3 is non-intervention type Electric Power Metering Management System principle schematic.

Embodiment

Below in conjunction with Figure of description, the utility model is described in detail, but should be noted that enforcement of the present utility model is not limited to following embodiment.

See Fig. 1-Fig. 3, a kind of non-intervention type Electric Power Metering Management System, comprise non-intervention type voltameter, current transformer, voltage transformer (VT), display screen, monitoring center, electric energy management and control private network, measuring control platform, electrical appliance is by supply line and current transformer, voltage transformer (VT) is connected, current transformer, voltage transformer (VT) converts electrical signals to digital signal by transducer respectively and sends to non-intervention type voltameter, non-intervention type voltameter is dealt into monitoring center by communication line by signal, monitoring center and electric energy management and control private network communicate, electric energy management and control private network sends to measuring control platform by the information gathering, measuring control platform is crossed display screen by the information exchange gathering and is shown, and electric energy is carried out to Real-Time Monitoring, allotment in real time, quality optimization and forewarning management, by ZigBee and GPRS communication modes and electrical network, communicate.

See Fig. 1, utilize a non-intervention type voltameter that electrical appliance P1-Pn information about power is gathered, and the information about power of collection is dealt into monitoring center by power optical fiber, a plurality of inspection centers process information by the embedded micro computer of DSP separately, and respectively the information about power gathering is separately dealt into electric energy management and control private network, see Fig. 2; Electric energy management and control private network is dealt into measuring control platform by the information about power gathering again, and all information about power that gathers are carried out to analyzing and processing, and final realization the Real-Time Monitoring of electric energy, allotment in real time, quality optimization and wisdom forewarning management, sees Fig. 3.Utilize this management system can realize Dui Yige factory electric energy management, can realize the electricity consumption situation of every equipment of factory is analyzed, and without voltameter is installed separately on this equipment.Also can realize the electric energy management of Dui Yige community, realize the management to each household electricity consumption situation in community, or even the managing electric quantity of the household electrical appliance of each household use.

Advantage of the present utility model:

1, non-intervention type voltameter adopts state-of-the-art non-intervention loop monitoring technology, and each load power consumption in docking entry loop enters classification metering, must in each load, not access voltameter, and most economical effective scheme is provided;

2, non-intervention type voltameter can be used for single-phase and three-phase power supply system, also can be used for the electrical measurement of middle high-pressure secondary side;

3, non-intervention type voltameter adopts open type CT(electric current) and PT(voltage) mutual inductor, and having standard communication interface, little, the easy installation of volume, cost be low, use elasticity large, is extremely beneficial to modern power systems electric quantity metering and monitors needs;

4, adopt non-intervention type voltameter, mix embedded micro computer, by power optical fiber, Prfibus-DP and two kinds of fieldbus of Modbus and ZigBee and two kinds of wireless transmission branch arts of GPRS, the non-intervention type Electric Power Metering Management System forming, what energy was real-time carries out electric quantity metering and management to each electrical appliance, electricity consumption and quality of power supply regulation and control be can optimize, using electricity wisely and safety utilization of electric power realized;

5, non-intervention type Electric Power Metering Management System is applicable to family, building, community, base station, industrial and mineral, transformer station and numerous intelligent power systems.

Claims

1. a non-intervention type Electric Power Metering Management System, it is characterized in that, comprise non-intervention type voltameter, current transformer, voltage transformer (VT), display screen, monitoring center, electric energy management and control private network, measuring control platform, electrical appliance is by supply line and current transformer, voltage transformer (VT) is connected, current transformer, voltage transformer (VT) converts electrical signals to digital signal by transducer respectively and sends to non-intervention type voltameter, non-intervention type voltameter is dealt into monitoring center by communication line by signal, monitoring center and electric energy management and control private network communicate, electric energy management and control private network sends to measuring control platform by the information gathering, measuring control platform is crossed display screen by the information exchange gathering and is shown, by ZigBee and GPRS communication modes and electrical network, communicate.

2. a kind of non-intervention type Electric Power Metering Management System according to claim 1, it is characterized in that, described monitoring center comprises the embedded micro computer of DSP, RS-485 interface, memory, direct supply, LCD display, keyboard, its core parts are the embedded micro computer of DSP, RS-485 interface, memory, direct supply, LCD display, keyboard is all connected with the embedded micro computer of DSP, the information exchange of non-intervention type voltameter is crossed power optical fiber and is dealt into RS-485 interface, by RS-485 interface, received, and communication is arrived to the embedded micro computer of DSP, the embedded micro computer of DSP is crossed ZigBee module and GPRS module and the communication of electric energy management and control private network by the information exchange after processing, and show by LCD display, described ZigBee module and GPRS module are arranged on the embedded micro computer of DSP.

3. a kind of non-intervention type Electric Power Metering Management System according to claim 1, is characterized in that, described current transformer is open type current transformer; Described voltage transformer (VT) is open type voltage transformer (VT).

4. a kind of non-intervention type Electric Power Metering Management System according to claim 2, is characterized in that, described monitoring center is equipped with Prfibus-DP and two kinds of field bus protocols of Modbus.