CN109887258A - A kind of power information acquisition local communication system based on bandwidth carrier - Google Patents
A kind of power information acquisition local communication system based on bandwidth carrier Download PDFInfo
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- CN109887258A CN109887258A CN201910065757.1A CN201910065757A CN109887258A CN 109887258 A CN109887258 A CN 109887258A CN 201910065757 A CN201910065757 A CN 201910065757A CN 109887258 A CN109887258 A CN 109887258A
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Abstract
The invention discloses a kind of, and the power information based on bandwidth carrier acquires local communication system, power line meter reading terminal is connect by RS-485 interface with resident's ammeter in the present invention, realize data acquisition, meter reading data is converted to power wire broadband carrier signal by power wire broadband carrier collector, is coupled on family power line out.The present invention uses power wire broadband carrier communication technology, improves meter reading speed and meter reading success rate, universal creates condition for the large area of kilowatt meter reading-out system；The present invention uses zero crossing transmission technology, is effectively prevented from peak pulse interference, improves carrier communication quality, guarantees the reliability that data are transmitted under the conditions of strong jamming；The present invention using Distributed Services, centralized management, unified view system structure, improve system reliability of operation and safety.
Description
Technical field
The present invention relates to power information acquisition technique field, more particularly to a kind of electricity consumption based on bandwidth carrier
Information collection local communication system.
Background technique
Power line carrier communication is a kind of communication technology carried out data transmission using power line, i.e., is made using existing power grid
For the transmission medium of signal, carry out data transmission power grid while transmitting electric power.At present not according to frequency range used
Together, low-voltage powerline carrier communication is generally divided into narrow-band power line carrier communication (10kHz~500kHz) and broadband power line carries
Wave communication (2MHz~20MHz).
Power information acquires local communication technology based on power line narrow band carrier at present, and low-voltage power line narrowband carrier is logical
Letter desired communication rate has reached 100Kbps or more.In view of low-frequency noise is distributed, the frequency band of different application divides, anti-interference logical
The factors such as letter technology and modulation system, application rate should be in 10Kbps or less in practice.Power line narrow band carrier communication is main
For fields such as power information acquisition, smart home energy management, building monitoring and Street lamps controls.Due to power line narrow band carrier
Technology rate is relatively low, acquires the problems such as there are larger difficulty, power line noise, the crosstalks of platform area to real-time power information is met
There is no very good solution method, the power information for significantly affecting the technology in networking plan acquires success rate.
And bandwidth carrier message transmission rate is high, has strong anti-interference ability, can bearer service it is more, it is adaptable,
And it can realize task concurrent processing to each collector.
Therefore, how to develop it is a kind of it is adaptable, transmission rate is fast and can effectively reduce the acquisition of the power information of interference
The problem of local communication system is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of, the power information based on bandwidth carrier acquires local communication system, this is
System traffic rate height, strong real-time, and strong antijamming capability, transmission reliability is high, solves and communicates acquisition using narrowband carrier
The defects of slow with traffic rate that is interfered is easy existing for user power utilization information.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of power information acquisition local communication system based on bandwidth carrier, comprising: power line meter reading terminal, power line
Bandwidth carrier collector and cell meter-copy collector；
The power line meter reading terminal is connected with resident's ammeter, the acquisition for data；
The power wire broadband carrier collector is connected with the power line meter reading terminal, is used for the power line meter reading
The format of the collected meter reading data of terminal is converted to power wire broadband carrier signal, and by the power wire broadband carrier signal
It is coupled on the power line of 220V resident's power supply；
Wherein, the power wire broadband carrier collector includes zero cross detection circuit, and the zero cross detection circuit is used for
The transmission of zero passage moment progress data；
The cell meter-copy collector is connected with the power wire broadband carrier collector by power line, for realizing institute
It states the local of meter reading data to upload, the cell meter-copy collector is also wirelessly connected with the charge system of power supply company.
Preferably, the power wire broadband carrier collector further includes modem and single-chip microcontroller；
The single-chip microcontroller is connected with the zero cross detection circuit and the modem；
The zero cross detection circuit is used for the zero point moment of detection circuit, and the single-chip microcontroller passes through serial port for the meter reading
To the modem, the modem is used to the meter reading data being converted to the broadband over power line data transmission
Carrier signal, the power wire broadband carrier signal are coupled on the power line by power line interface.
Preferably, the power line meter reading terminal is connected by RS-485 interface with resident's ammeter.
It preferably, further include platform area summary table, for described area's summary table for being managed to platform area transformer, described Qu is total
It is connected by RS-485 bus between table and the cell meter-copy collector and between the cell meter-copy collector.
It preferably, further include power line network bridge and interchanger；
The power wire broadband carrier signal is transferred to power line network bridge, the power line network bridge by cell low voltage electric network
It is connected with interchanger and the cell meter-copy collector.
It preferably, further include meter reading main website, the cell meter-copy collector accesses telecommunication public network, private electric power or passes through
The meter reading master station communication of GPRS wireless network and power supply company.
Preferably, main station system establishes meter reading data library as unit of branch office, completes electricity statistics, the electricity charge calculate and charge
Function.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides one kind to be carried based on broadband
The power information of wave acquires local communication system；
(1) present invention uses power wire broadband carrier communication technology, improves meter reading speed and meter reading success rate, is meter reading
The large area of system is universal to be created condition；
(2) present invention uses zero crossing transmission technology, is effectively prevented from peak pulse interference, improves carrier communication quality,
Guarantee the reliability that data are transmitted under the conditions of strong jamming；
(3) present invention using Distributed Services, centralized management, unified view system structure, improve system operation
Reliability and safety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is overall structure diagram provided by the invention；
Fig. 2 attached drawing is the structural schematic diagram of power wire broadband carrier collector provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of, and the power information based on bandwidth carrier acquires local communication system, comprising: electricity
Line of force meter reading terminal, power wire broadband carrier collector and cell meter-copy collector；
The power line meter reading terminal is connected with resident's ammeter, the acquisition for data；
The power wire broadband carrier collector is connected with the power line meter reading terminal, is used for the power line meter reading
The format of the collected meter reading data of terminal is converted to power wire broadband carrier signal, and by the power wire broadband carrier signal
It is coupled on the power line of 220V resident's power supply；
Wherein, the power wire broadband carrier collector includes zero cross detection circuit, and the zero cross detection circuit is used for
The transmission of zero passage moment progress data；
The cell meter-copy collector is connected with the power wire broadband carrier collector by power line, for realizing institute
It states the local of meter reading data to upload, the cell meter-copy collector is also wirelessly connected with the charge system of power supply company.
Further, the power wire broadband carrier collector further includes modem and single-chip microcontroller；
The single-chip microcontroller is connected with the zero cross detection circuit and the modem；
The zero cross detection circuit is used for the zero point moment of detection circuit, and the single-chip microcontroller passes through serial port for the meter reading
To the modem, the modem is used to the meter reading data being converted to the broadband over power line data transmission
Carrier signal, the power wire broadband carrier signal are coupled on the power line by power line interface.
Further, the power line meter reading terminal is connected by RS-485 interface with resident's ammeter.
It further, further include platform area summary table, described area's summary table is for being managed platform area transformer, and described
It is connected by RS-485 bus between area's summary table and the cell meter-copy collector and between the cell meter-copy collector.
It further, further include power line network bridge and interchanger；
The power wire broadband carrier signal is transferred to power line network bridge, the power line network bridge by cell low voltage electric network
It is connected with interchanger and the cell meter-copy collector.
It further, further include meter reading main website, the cell meter-copy collector access telecommunication public network, private electric power or logical
Cross the meter reading master station communication of GPRS wireless network and power supply company.
Further, main station system establishes meter reading data library as unit of branch office, complete electricity statistics, the electricity charge calculate and
Charging function.
The working principle of power wire broadband carrier collector in the present invention are as follows: zero cross detection circuit detects the zero point moment then
Data are sent by the serial port of single-chip microcontroller, carrier signal is converted a signal by the modulation technique of modem
And be coupled on power line, it is transmitted on power line.
The working principle of the system are as follows: power line meter reading terminal is mounted on by the concentrated gas meter box of residential building, passes through RS-485
Interface is connect with resident's ammeter, realizes data acquisition, and meter reading data is converted to power line by power wire broadband carrier collector
Broadband carrier signal, is coupled on family power line out, is transferred to power line network bridge by cell low voltage electric network, with interchanger and small
Area's meter-copy collector is connected, and realizes that the local of meter reading data uploads, cell meter-copy collector access telecommunication public network, private electric power or
By the meter reading master station communication of wireless network and power supply company, the long-distance Log server of data is realized.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of power information based on bandwidth carrier acquires local communication system characterized by comprising power line meter reading is whole
End, power wire broadband carrier collector and cell meter-copy collector；
The power line meter reading terminal is connected with resident's ammeter, the acquisition for data；
The power wire broadband carrier collector is connected with the power line meter reading terminal, is used for the power line meter reading terminal
The format of collected meter reading data is converted to power wire broadband carrier signal, and the power wire broadband carrier signal is coupled
On the power line powered to 220V resident；
Wherein, the power wire broadband carrier collector includes zero cross detection circuit, and the zero cross detection circuit is used in zero passage
The transmission of moment progress data；
The cell meter-copy collector is connected with the power wire broadband carrier collector by power line, is copied for realizing described
The local of table data uploads, and the cell meter-copy collector is also wirelessly connected with the charge system of power supply company.
2. a kind of power information based on bandwidth carrier according to claim 1 acquires local communication system, feature exists
In the power wire broadband carrier collector further includes modem and single-chip microcontroller；
The single-chip microcontroller is connected with the zero cross detection circuit and the modem；
The zero cross detection circuit is used for the zero point moment of detection circuit, and the single-chip microcontroller passes through serial port for the meter reading data
It is sent to the modem, the modem is used to the meter reading data being converted to the power wire broadband carrier
Signal, the power wire broadband carrier signal are coupled on the power line by power line interface.
3. a kind of power information based on bandwidth carrier according to claim 1 acquires local communication system, feature exists
In the power line meter reading terminal is connected by RS-485 interface with resident's ammeter.
4. a kind of power information based on bandwidth carrier according to claim 1 acquires local communication system, feature exists
In further including platform area summary table, described area's summary table is for being managed platform area transformer, described area's summary table and the cell
It is connected by RS-485 bus between meter-copy collector and between the cell meter-copy collector.
5. a kind of power information based on bandwidth carrier according to claim 1 acquires local communication system, feature exists
In further including power line network bridge and interchanger；
The power wire broadband carrier signal is transferred to power line network bridge, the power line network bridge and friendship by cell low voltage electric network
It changes planes and is connected with the cell meter-copy collector.
6. a kind of power information based on bandwidth carrier according to claim 1 acquires local communication system, feature exists
In, further include meter reading main website, cell meter-copy collector access telecommunication public network, private electric power or by GPRS wireless network with
The meter reading master station communication of power supply company.
7. a kind of power information based on bandwidth carrier according to claim 6 acquires local communication system, feature exists
In main station system establishes meter reading data library as unit of branch office, completes electricity statistics, electricity charge calculating and charging function.
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| CN201910065757.1A CN109887258A (en) | 2019-01-23 | 2019-01-23 | A kind of power information acquisition local communication system based on bandwidth carrier |
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Cited By (3)
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| CN111064497A (en) * | 2019-11-15 | 2020-04-24 | 国网河南省电力公司驻马店供电公司 | Acquisition, operation and maintenance system based on HPLC (high performance liquid chromatography) platform area |
| CN111970583A (en) * | 2020-08-26 | 2020-11-20 | 上海国泉科技有限公司 | Electricity consumption data acquisition device |
| CN112953599A (en) * | 2021-03-29 | 2021-06-11 | 广东电网有限责任公司电力科学研究院 | Energy storage access terminal with power broadband carrier function |
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Application publication date: 20190614 |