CN104978631A - Electric energy metering and management system for large-scale enterprise - Google Patents
Electric energy metering and management system for large-scale enterprise Download PDFInfo
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- CN104978631A CN104978631A CN201510359416.7A CN201510359416A CN104978631A CN 104978631 A CN104978631 A CN 104978631A CN 201510359416 A CN201510359416 A CN 201510359416A CN 104978631 A CN104978631 A CN 104978631A
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Abstract
The invention relates to an electric energy metering and management system for a large-scale enterprise. The system comprises a smart cloud computation platform, wherein the smart cloud computation platform is connected with an electric energy metering and management private network of an electricity consumption unit; the electric energy metering and management private network of the electricity consumption unit is connected with a plurality of electricity consumption unit metering and management centers through electric optical fibers; and the smart cloud computation platform accesses to GPRS IP addresses of the electricity consumption unit metering and management centers through the internet, reads electric quantity data and performs computation and control on the electric quantity data to realize electric state real-time monitoring, smart electric operation distribution, smart electric quantity prediction and smart electric fault alarming. According to the system, the enterprise reasonably uses electric energy and performs on-site optimization control on electric energy quality, so that electric consumption accidents and electric energy waste are avoided. A metering and electric energy quality optimization apparatus adopts a GPRS internet-of-things transceiver, can directly access to an IP address of the internet without a GPRS receiving apparatus, realizes the function of internet of things, and is a technical innovation of internet of things.
Description
Technical field
The present invention relates to a kind of Electric Power Metering Management System, particularly relate to a kind of large enterprise Electric Power Metering Management System.
Background technology
For many years, electric energy is that one is widely used the energy, and the energy that it can convert various ways easily to is used.Electric system uses system as the at present maximum in the world energy, and it comprises the generation of electric energy, transmission and use.Along with the develop rapidly of national economy, the foundation of numerous large enterprise, dosing of these large enterprise's equipment, its Yong electricity Liang Sui surges.
Most enterprise of current China also rests on craft, semi-hand operation to electric energy measuring management, like this one is had to the enterprise of the equipment of One's name is legion, not only cumbersome, efficiency is low, easily make mistakes, and lack some basic means of measuring control, let alone rational utilization of electricity.
From the development of Electric Power Metering Management System and research, mainly contain the content of following aspect, one is the collection of electric flux, namely how to calculate relevant electric energy parameter; Two is the data transmission adopting which kind of mode to realize electric flux.Three is how to manage concentratedly and electric energy quality optimizing improvement electric energy.
Novel network electric quantity metering device, can with modern power transmission and distribution matched with devices, detect voltage in real time, electric current, meritorious, reactive power, applied power, power factor, frequency.Environment temperature, the parameters such as time, up-set condition is reported to the police, and pulse exports, and controls, the functions such as short range remote data communication.But at present in large enterprise's Electric Power Metering Management System, network electric quantity metering device Ying And is not extensive.
Current large enterprise Electric Power Metering Management System, the transmission support technology of lack of wisdom, networking, Internet of Things aspect.
In the prior art, most large enterprise is not to the reasonable employment of electric energy and optimize improvement on the spot to the quality of power supply and adopt an effective measure, and causes and causes with electrification and waste of energy.
Summary of the invention
Technical matters to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of large enterprise Electric Power Metering Management System, achieves power state Real-Time Monitoring, the allotment of operation power wisdom, the prediction of quantity of electricity wisdom, the warning of power failure wisdom.Make enterprise to electric energy reasonable employment and on the spot improvement is optimized to the quality of power supply, avoiding with electrification and waste of energy.
For achieving the above object, the present invention realizes by the following technical solutions:
A kind of large enterprise Electric Power Metering Management System, comprise smart cloud computing platform, smart cloud computing platform is connected with electricity consumption unit of electrical energy meter pipe private network, electricity consumption unit of electrical energy meter pipe private network is connected with multiple electricity consumption unit dosage administrative center by power optical fiber, smart cloud computing platform is by the GPRS IP address of internet access electricity consumption unit dosage administrative center, read electric quantity data to carry out calculating and controlling, realize power state Real-Time Monitoring, the allotment of operation power wisdom, the prediction of quantity of electricity wisdom and power failure wisdom and report to the police.
Described electric energy measuring management center, comprise electric energy metrical and electric energy quality optimizing device, electric energy metrical and electric energy quality optimizing device and energy wisdom prediction module, field monitor and alarm module, multiple stage the network electric quantity metering device of electric unit and electric energy quality optimizing controlling device adopt Profibus-DP and Modbus field bus communication to be connected by power optical fiber LAN (Local Area Network).
Described electric energy metrical and electric energy quality optimizing device, comprise embedded micro computer, embedded micro computer is by DC power supply, and connect GPRS Internet of Things transceiver, LCD display and keyboard, embedded micro computer is provided with USB interface and RS485 field bus communication interface, and GPRS Internet of Things transceiver registers specific IP address on the internet.
Described network intelligence electric quantity metering device is used for detecting voltage in real time, electric current, meritorious, reactive power, applied power, power factor, frequency, environment temperature, time parameter, report to the police under up-set condition, pulse exports, control, short range remote data communication, comprise micro computer 89C58, micro computer 89C58 and ASLC electrical measurement chip AT7026A, LCD display, clock circuit, watchdog circuit, thermometric original paper DS18B20, keyboard, warning circuit connects, micro computer 89C58 is provided with RS-485MAX485 communication interface, On-off signal port, output switch parameter port and usb communication interface.Three-phase current importation CT is connected with ASLC electrical measurement chip AT7026A with three-phase voltage importation PT.
Described electric energy quality optimizing controlling device, under Systematical control, can realize SVG respectively or have the function of APF, also can realize SVG and APF function simultaneously.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention adopts " the network intelligence electric quantity metering device " developed voluntarily, detects voltage in real time, electric current, meritorious, reactive power, applied power, power factor, frequency, environment temperature, the parameters such as time, up-set condition is reported to the police, and pulse exports, and controls, the functions such as short range remote data communication.This ensures that electric quantity metering function is complete, and accurate measurement, be one of electric quantity metering core technology of the present invention;
2, metering and electric energy quality optimizing device, have employed " GPRS Internet of Things transceiver ", can without GPRS receiving trap, and IP address that is direct and internet contacts, and achieves internet of things functional, and this is a technology of Internet of things innovation;
3, the present invention adopts " network intelligence electric quantity metering device ", after the electric quantity metering of using electricity system, through electric energy measuring management central decision, the relevant quality of power supply realizes optimizing on the spot, after the quality of power supply of using electricity system is governed, ensure that Electrical Safety, simultaneously can also economize energy;
4, present invention employs " smart cloud computing platform " (large-scale cloud computer of domestic enterprise), achieve functions such as " allotment of power state Real-Time Monitoring, operation power wisdom, the prediction of quantity of electricity wisdom, power failure wisdom are reported to the police ";
Accompanying drawing explanation
Fig. 1 is large enterprise's Electric Power Metering Management System schematic diagram.
Fig. 2 electricity consumption unit of electrical energy measuring control center schematic diagram.
Fig. 3 electric energy metrical and electric energy quality optimizing schematic diagram of device.
Fig. 4 electric energy metrical and electric energy quality optimizing principle of device detail drawing.
Fig. 5 network intelligence electric quantity metering device schematic diagram.
Fig. 6 electric energy quality optimizing controlling device circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further illustrated:
As shown in Figure 1, a kind of large enterprise Electric Power Metering Management System, multiple unit of electrical energy measuring control center transmits electric quantity data by electric power light to electricity consumption unit of electrical energy meter pipe private network, supply smart cloud computing platform carries out calculating and controlling, and realizes power state Real-Time Monitoring, the allotment of operation power wisdom, the prediction of quantity of electricity wisdom, the warning of power failure wisdom;
As shown in Figure 2, described electric energy measuring management center, comprise electric energy metrical and electric energy quality optimizing device, electric energy metrical and electric energy quality optimizing device and energy wisdom prediction module, field monitor and alarm module, multiple stage the network electric quantity metering device of electric unit and electric energy quality optimizing controlling device adopt Profibus-DP and Modbus field bus communication to be connected by power optical fiber LAN (Local Area Network).
As Figure 3-Figure 4, described electric energy metrical and electric energy quality optimizing device, comprise embedded micro computer, embedded micro computer is by DC power supply, and connecting GPRS Internet of Things transceiver, LCD display and keyboard, embedded micro computer is provided with USB interface and RS485 field bus communication interface.GPRS Internet of Things transceiver registers specific IP address on the internet.
As shown in Figure 5, described network intelligence electric quantity metering device, comprise micro computer 89C58, micro computer 89C58 is connected with ASLC electrical measurement chip AT7026A, LCD display, clock circuit, watchdog circuit, thermometric original paper DS18B20, keyboard, warning circuit, micro computer 89C58 is provided with RS-485MAX485 communication interface, On-off signal port, output switch parameter port and usb communication interface.Three-phase current importation CT is connected with ASLC electrical measurement chip AT7026A with three-phase voltage importation PT.
Network intelligence electric quantity metering device is used for detecting voltage in real time, electric current, meritorious, reactive power, applied power, and power factor, frequency, environment temperature, time parameter, report to the police under up-set condition, and pulse exports, and controls, short range remote data communication.
The three-phase alternating current signal of Current Transmit coupling, by sample resistance, converts 0 ~ 0.1V voltage signal to by 0 ~ 5A, send into ASLC electrical measurement chip AT7026A.Resistor network carries out step-down to three-phase alternating voltage signal 0 ~ 220V, converts 0 ~ 0.5V voltage signal to, sends into ASLC electrical measurement chip AT7026A.
Be integrated with the ADC (resolution is 1/65535) on 16,6 tunnel in ASLC electrical measurement chip AT7026A, adopt the input of both-end differential signal, inputting maximum sinusoidal signal effective value is 1V.ASLC electrical measurement chip AT7026A calculates each phase according to the 6 road signals measured and closes the active power of phase, reactive power, applied power, meritorious energy, quadergy, calculates each phase current voltage effective value, power factor, phase angle, frequency simultaneously.Micro computer 89C58 transfers data to vibratory screening apparatus intelligent controller by RS-485MAX485 communication interface.
As shown in Figure 6, grid bus is by circuit breaker Q F1 inlet wire, circuit breaker Q F1 is connected with main contactor KM1, the output terminal of main contactor KM1 is connected with net side inductance L 4, net side inductance L 4 three-phase output end connects inverter side inductance L 1 respectively, L2, L3, net side inductance L 4 three-phase output end and inverter side inductance L 1, L2, filter capacitor CF is connected with between L3, inverter side inductance L 1, L2, L3 output terminal respectively with current sensor HAT1, HAT2, HAT3 is connected, current sensor HAT1, HAT2, HAT3 respectively with three-phase, V, W power cell is connected, described main contactor KM1 is parallel with charging contactor KM2, grid bus ground wire is connected with filter capacitor CF, three-phase converter module.
Same device, under Systematical control, can realize SVG (static reacance generator) respectively or have the function of APF (Active Power Filter-APF), also can realize SVG and APF function, namely the design takes into account the functional requirement of SVG or APF simultaneously from hardware and software simultaneously.The multiple power quality problems such as the harmonic wave simultaneously changed in automatic tracking and compensating electrical network, idle, negative phase-sequence.SVG range of operation reaches-100% ~+100%, APF filter range and reaches 2 ~ 50 subharmonic filtering gamuts effectively, and free function is arranged.
Be only ultimate principle of the present invention above, not impose any restrictions the present invention, the present invention of every foundation carries out equivalent variations and modification to it, all within the category of the art of this patent protection scheme.
Claims (5)
1. large enterprise's Electric Power Metering Management System, it is characterized in that, comprise smart cloud computing platform, smart cloud computing platform is connected with electricity consumption unit of electrical energy meter pipe private network, electricity consumption unit of electrical energy meter pipe private network is connected with multiple electricity consumption unit dosage administrative center by power optical fiber, smart cloud computing platform is by the GPRS IP address of internet access electricity consumption unit dosage administrative center, read electric quantity data to carry out calculating and controlling, realize power state Real-Time Monitoring, the allotment of operation power wisdom, the prediction of quantity of electricity wisdom and power failure wisdom and report to the police.
2. a kind of large enterprise according to claim 1 Electric Power Metering Management System, it is characterized in that, described electric energy measuring management center, comprise electric energy metrical and electric energy quality optimizing device, electric energy metrical and electric energy quality optimizing device and energy wisdom prediction module, field monitor and alarm module, multiple stage the network electric quantity metering device of electric unit and electric energy quality optimizing controlling device adopt Profibus-DP and Modbus field bus communication to be connected by power optical fiber LAN (Local Area Network).
3. a kind of large enterprise according to claim 2 Electric Power Metering Management System, it is characterized in that, described electric energy metrical and electric energy quality optimizing device, comprise embedded micro computer, embedded micro computer is by DC power supply, and connecting GPRS Internet of Things transceiver, LCD display and keyboard, embedded micro computer is provided with USB interface and RS485 field bus communication interface, and GPRS Internet of Things transceiver registers specific IP address on the internet.
4. a kind of large enterprise according to claim 2 Electric Power Metering Management System, it is characterized in that, described network intelligence electric quantity metering device is used for detecting voltage in real time, electric current, meritorious, reactive power, applied power, power factor, frequency, environment temperature, time parameter, report to the police under up-set condition, pulse exports, control, short range remote data communication, comprise micro computer 89C58, micro computer 89C58 and ASLC electrical measurement chip AT7026A, LCD display, clock circuit, watchdog circuit, thermometric original paper DS18B20, keyboard, warning circuit connects, micro computer 89C58 is provided with RS-485MAX485 communication interface, On-off signal port, output switch parameter port and usb communication interface.Three-phase current importation CT is connected with ASLC electrical measurement chip AT7026A with three-phase voltage importation PT.
5. a kind of large enterprise according to claim 2 Electric Power Metering Management System, is characterized in that, described electric energy quality optimizing controlling device, under Systematical control, can realize SVG respectively or have the function of APF, also can realize SVG and APF function simultaneously.
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Cited By (5)
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| CN105762940A (en) * | 2016-04-29 | 2016-07-13 | 国网辽宁省电力有限公司鞍山供电公司 | Internet of Things system for intelligently foreseeing state of 66kV transformer station equipment |
| CN105762939A (en) * | 2016-04-29 | 2016-07-13 | 国网辽宁省电力有限公司鞍山供电公司 | High-voltage high-capacity electric heating and heat accumulation regulation and control device adapted to electric power requirements |
| CN106375386A (en) * | 2016-08-28 | 2017-02-01 | 桂林市晶准测控技术有限公司 | System for monitoring operations of electrical components based on cloud service |
| CN110702967A (en) * | 2019-10-22 | 2020-01-17 | 福建锋冠科技有限公司 | Intelligent power utilization online monitoring system |
| CN111427286A (en) * | 2020-01-03 | 2020-07-17 | 南昌航空大学 | Intelligent remote electric energy monitoring system and monitoring method based on 5G communication |
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| CN203951199U (en) * | 2014-06-24 | 2014-11-19 | 湖北能瑞电气科技有限公司 | A kind of Intelligent Dynamic reactive compensation controlling device of Network Basedization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105762940A (en) * | 2016-04-29 | 2016-07-13 | 国网辽宁省电力有限公司鞍山供电公司 | Internet of Things system for intelligently foreseeing state of 66kV transformer station equipment |
| CN105762939A (en) * | 2016-04-29 | 2016-07-13 | 国网辽宁省电力有限公司鞍山供电公司 | High-voltage high-capacity electric heating and heat accumulation regulation and control device adapted to electric power requirements |
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| CN111427286A (en) * | 2020-01-03 | 2020-07-17 | 南昌航空大学 | Intelligent remote electric energy monitoring system and monitoring method based on 5G communication |
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Application publication date: 20151014 |