CN103488143A - Intelligent management system for remote power consumer - Google Patents
Intelligent management system for remote power consumer Download PDFInfo
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- CN103488143A CN103488143A CN201310413606.3A CN201310413606A CN103488143A CN 103488143 A CN103488143 A CN 103488143A CN 201310413606 A CN201310413606 A CN 201310413606A CN 103488143 A CN103488143 A CN 103488143A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to the field of power supply management, in particular to an intelligent management system for a remote power consumer. The intelligent management system comprises a data collecting device, a power supply device, a GPRS communication device, a man-machine interaction device and a processor, wherein the data collecting device collects the three-phase voltage data and the three-phase current data of a load pipe system on-site electric energy meter, the power supply device provides a voltage-stabilized power source for the processor, the GPRS communication device sends signals to a junction station, the human-machine interaction device achieves the display of the data and the input of commands, and the processor receives and processes the three-phase voltage data and the three-phase current data collected by the data collecting device, sends the data needing to be displayed to the man-machine interaction device, receives the input commands, converts the processed data into signal communication interfaces and transmits the signal communication interfaces to the GPRS communication device. The intelligent management system adapts to different needs of large consumer load management, distribution transformer monitoring, electric energy meter set reading, distributing line detecting and other applications through optimal configuration, the whole system is divided into modules according to functions, the modules are achieved and modulated respectively, design difficulty is simplified, and the maintenance of the system is facilitated.
Description
Technical field
The present invention relates to the power supply management domain, be specifically related to a kind of remote power user's intelligent management system.
Background technology
Electric power resource is not only the necessary energy of people's daily life, and in national economy is produced, plays a part very important.For rationally, utilize electric energy fully, must grasp timely electric power thus supplied and client's power information.In recent years, along with the quickening of China's economic development step, power industry becomes the important infrastructure of the development such as the every field of supporting industry and commerce, agricultural, service sector.Along with continuous development of the reform and development, China's Electric Power Industry is faced with unprecedented opportunities and challenge.Each power grid enterprises will make great efforts to improve the quality of power supply and power supply reliability on the one hand, to meet on the other hand the ever-increasing electric energy needs of user, vigorously advocate using electricity wisely, scientific utilization of electricity, promote to cut down peak load and using electricity wisely technical measures, attach most importance to, that guiding enterprise adopts is energy-efficient, accumulation of energy, the technology and equipment of using electricity in off-peak hours.Science is formulated and is avoided the peak hour, keeps away peak and planned supply and use of electric power scheme, conscientiously accomplish to ration the power supply Bu La road, the not underproduction of avoiding the peak hour.By guiding, the client is conscious avoids the peak hour, and taking plan to have holidays by turns day to avoid the peak hour, subtract fault-tolerant peak, the various ways such as avoid the peak hour temporarily, and peak is kept away at large peak, strengthens the management of electric power enterprise load, carries forward vigorously management of power use technical progress.Along with the popularization and application of electric system, for the operation stability of this system, have higher requirement.By power load management system is tested, find out the problems and shortcomings that system exists.
Summary of the invention
The object of the present invention is to provide a kind of remote power user's intelligent management system, solve existing management system and can't meet large load client to the stability of system and the problem of multi-functional demand.
For solving above-mentioned technical matters, the present invention by the following technical solutions: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing.
Further technical scheme is, described data collector mainly consists of current transformer, voltage transformer (VT) and A/D converter, three-phase voltage and the three-phase current data of wherein said current transformer and voltage transformer (VT) collection load guard system field electric energy table, described A/D converter carries out analog to digital conversion by three-phase voltage and three-phase current data and is transferred to processor.
Further technical scheme is, described A/D converter is selected AD73360.
Further technical scheme is, described processor is selected ADSP BF531.
Further technical scheme is, described communication interface comprises one or more in RS 485 interfaces, RS 232 interfaces, infrared interface and GPRS interface.
Further technical scheme is, described supply unit mainly consists of power transformer, rectification circuit and electric power controller, the input end of power transformer connects the alternating voltage of 50Hz, 220V and carries out the step-down processing, then through rectification circuit and electric power controller, the DC voltage that voltage transitions is amplitude stability, ripple voltage is less is input to processor.
Further technical scheme is, described electric power controller consists of filtering circuit and voltage stabilizing Circuit tuning, filtering circuit will be input to the voltage stabilizing Circuit tuning after rectified voltage signal is carried out filtering, and the voltage stabilizing Circuit tuning is adjusted into signal the VD of 5V and 12V.
Further technical scheme is, described voltage stabilizing Circuit tuning consists of LM2576 integrated stable voltage circuit and IM7812 integrated stable voltage circuit.
Further technical scheme is, described human-computer interaction device mainly consists of button and liquid crystal display, and button is connected with processor signal respectively with liquid crystal display, realizes the input of operational order and the demonstration of testing result.
Compared with prior art, the invention has the beneficial effects as follows: by distributing to adapt to large user's load management, distributing transformer monitoring, electric energy meter collection rationally, copy, the different demands of the application such as distribution line detection, whole system is divided module by function, realize respectively and debug, simplify design difficulty, facilitated the maintenance of system.
The accompanying drawing explanation
Fig. 1 is connection diagram of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows an embodiment of a kind of remote power user's intelligent management system of the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing.
A kind of remote power user's intelligent management system preferred embodiment according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described data collector mainly consists of current transformer, voltage transformer (VT) and A/D converter, three-phase voltage and the three-phase current data of wherein said current transformer and voltage transformer (VT) collection load guard system field electric energy table, described A/D converter carries out analog to digital conversion by three-phase voltage and three-phase current data and is transferred to processor.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described data collector mainly consists of current transformer, voltage transformer (VT) and A/D converter, three-phase voltage and the three-phase current data of wherein said current transformer and voltage transformer (VT) collection load guard system field electric energy table, described A/D converter carries out analog to digital conversion by three-phase voltage and three-phase current data and is transferred to processor, and described A/D converter is selected AD73360.AD73360 is the 6 passage 16 bit serial Sigma-delta ADC's able to programme that ADI company releases.It has 6 analog input channels, and each passage can be exported the digital quantity that length is 16.These 6 passages can be sampled simultaneously, and without the central processing unit intervention, effectively reduced due to the different phase errors that produce of sampling time, the sampling rate of each passage can utilize control word to be set, setting value has 8kHz, 16kHz, 32kHz and 64KHz, and the simulating signal that each passage tolerance frequency is 0～4kHz is passed through.Because each passage has built-in Anti-liased wave filter, therefore the requirement of Anti-liased wave filter greatly reduced, only need simple single order RC wave filter to get final product.In addition, with parallel interface, compare, adopt serial line interface that the hardware connecting line is greatly reduced, not only can reduce the area of printed circuit board, can also reduce electromagnetic interference (EMI), thereby improve the reliability of system.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described processor is selected ADSP BF531.ADSP BF531 is the 32-bit number signal processor, and this chip arithmetic speed, up to 600MIPS, is a high-performance processor, supports embedded OS.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described communication interface comprises one or more in RS 485 interfaces, RS 232 interfaces, infrared interface and GPRS interface.RS 485 communication modes have good noise immunity and multiple spot concatenation ability, and transmission range is long.Each node forms half-duplex network by RS 485 buses, adopts two line both-end half-duplex differential modes send and accept data, and without public bottom line, anti-common mode interference ability is strong.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described supply unit mainly consists of power transformer, rectification circuit and electric power controller, the input end of power transformer connects the alternating voltage of 50Hz, 220V and carries out the step-down processing, then through rectification circuit and electric power controller, the DC voltage that voltage transitions is amplitude stability, ripple voltage is less is input to processor.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described supply unit is mainly by power transformer, rectification circuit and electric power controller form, the input end of power transformer connects 50Hz, the alternating voltage of 220V also carries out the step-down processing, through rectification circuit and electric power controller, by voltage transitions, be amplitude stability again, the DC voltage that ripple voltage is less is input to processor, described electric power controller consists of filtering circuit and voltage stabilizing Circuit tuning, filtering circuit will be input to the voltage stabilizing Circuit tuning after rectified voltage signal is carried out filtering, the voltage stabilizing Circuit tuning is adjusted into signal the VD of 5V and 12V.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described supply unit is mainly by power transformer, rectification circuit and electric power controller form, the input end of power transformer connects 50Hz, the alternating voltage of 220V also carries out the step-down processing, through rectification circuit and electric power controller, by voltage transitions, be amplitude stability again, the DC voltage that ripple voltage is less is input to processor, described electric power controller consists of filtering circuit and voltage stabilizing Circuit tuning, filtering circuit will be input to the voltage stabilizing Circuit tuning after rectified voltage signal is carried out filtering, the voltage stabilizing Circuit tuning is adjusted into signal the VD of 5V and 12V, described voltage stabilizing Circuit tuning consists of LM2576 integrated stable voltage circuit and IM7812 integrated stable voltage circuit.LM2576 series is 3A electric current output buck switching mode integrated stable voltage circuit; it includes fixed oscillator (52kHz) and benchmark voltage stabilizer (1.23V); and there is perfect holding circuit; comprise current limit and hot breaking circuit etc., utilize this device only to need few peripheral components just can form efficient mu balanced circuit.IM7812 is applicable to various power supply stabilization circuits, and output stability is good, easy to use, output overcurrent, overheated automatic protection.
Another preferred embodiment of a kind of remote power user's intelligent management system according to the present invention: a kind of remote power user's intelligent management system comprises
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing;
Described human-computer interaction device mainly consists of button and liquid crystal display, and button is connected with processor signal respectively with liquid crystal display, realizes the input of operational order and the demonstration of testing result.
Claims (9)
1. a remote power user intelligent management system, is characterized in that: comprise
Data collector: the three-phase voltage and the three-phase current data that gather load guard system field electric energy table;
Supply unit: for processor provides stabilized voltage supply;
GPRS communicator: send signal to central station;
Human-computer interaction device: realize the demonstration of data and the input of order;
Processor: phase voltage and the three-phase current data that the reception data collector collects are also processed, send and need the data that show and receive input command with human-computer interaction device, become signal communication interface to transfer to the GPRS communicator data-switching after processing.
2. a kind of remote power user's intelligent management system according to claim 1, it is characterized in that: described data collector mainly consists of current transformer, voltage transformer (VT) and A/D converter, three-phase voltage and the three-phase current data of wherein said current transformer and voltage transformer (VT) collection load guard system field electric energy table, described A/D converter carries out analog to digital conversion by three-phase voltage and three-phase current data and is transferred to processor.
3. a kind of remote power user's intelligent management system according to claim 2, it is characterized in that: described A/D converter is selected AD73360.
4. a kind of remote power user's intelligent management system according to claim 1, it is characterized in that: described processor is selected ADSP BF531.
5. a kind of remote power user's intelligent management system according to claim 1, it is characterized in that: described communication interface comprises one or more in RS 485 interfaces, RS 232 interfaces, infrared interface and GPRS interface.
6. a kind of remote power user's intelligent management system according to claim 1, it is characterized in that: described supply unit mainly consists of power transformer, rectification circuit and electric power controller, the input end of power transformer connects the alternating voltage of 50Hz, 220V and carries out the step-down processing, then through rectification circuit and electric power controller, the DC voltage that voltage transitions is amplitude stability, ripple voltage is less is input to processor.
7. a kind of remote power user's intelligent management system according to claim 6, it is characterized in that: described electric power controller consists of filtering circuit and voltage stabilizing Circuit tuning, filtering circuit will be input to the voltage stabilizing Circuit tuning after rectified voltage signal is carried out filtering, and the voltage stabilizing Circuit tuning is adjusted into signal the VD of 5V and 12V.
8. a kind of remote power user's intelligent management system according to claim 7, it is characterized in that: described voltage stabilizing Circuit tuning consists of LM2576 integrated stable voltage circuit and IM7812 integrated stable voltage circuit.
9. a kind of remote power user's intelligent management system according to claim 1, it is characterized in that: described human-computer interaction device mainly consists of button and liquid crystal display, button is connected with processor signal respectively with liquid crystal display, realizes the input of operational order and the demonstration of testing result.
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| CN103914051A (en) * | 2014-04-14 | 2014-07-09 | 国家电网公司 | Intelligent electricity use control device and method |
| CN107290586A (en) * | 2017-06-09 | 2017-10-24 | 河南工业贸易职业学院 | Acquiring electric energy information debugger |
| CN112566084A (en) * | 2020-12-03 | 2021-03-26 | 山西互感器电测设备有限公司 | Wireless data encryption transmission device and transmission method for high-voltage transformer on-site calibrator |
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Application publication date: 20140101 |