CN108111601A - A kind of photovoltaic plant collecting method and system - Google Patents
A kind of photovoltaic plant collecting method and system Download PDFInfo
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- CN108111601A CN108111601A CN201711382317.6A CN201711382317A CN108111601A CN 108111601 A CN108111601 A CN 108111601A CN 201711382317 A CN201711382317 A CN 201711382317A CN 108111601 A CN108111601 A CN 108111601A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of photovoltaic plant collecting methods, comprise the following steps：S01, integrated by the way that meteorological data, position data, temporal information and photovoltaic plant are run data, generate modulating wave, and be superimposed to form modulated signal with carrier wave；S02, output modulated signal to collected equipment, carry out data information acquisition.The invention also discloses a kind of photovoltaic plant data collecting systems, and including control module and relaying modular converter, the control module is connected with the relaying modular converter；The control module is used to integrate meteorological data, position data, temporal information and photovoltaic plant operation data, generates modulating wave, and is superimposed to form modulated signal with carrier wave；The relaying modular converter gathers the data message of each collected equipment for exporting modulated signal to each collected equipment.The advantages that acquisition method and system of the present invention is respectively provided with data acquisition correlation, synchronism is high.
Description
Technical field
The invention mainly relates to technical field of photovoltaic power generation, refer in particular to a kind of photovoltaic plant collecting method and system.
Background technology
Prior art photovoltaic plant data collection station when carrying out data acquisition, the synchronism and correlation of data compared with
It is low：Because available data acquisition terminal sends inquiry instruction successively by data frame to collected equipment mostly, equipment is collected
It responds successively and returned data information is to data collection station, but each equipment can not be believed in the data of synchronization returning equipment
Breath；In addition, existing photovoltaic plant data collection station uses outer power supply source, when external power supply loss or external power supply can not be just
During nearly acquisition, data collection station can not work normally.
The Main Basiss for the environmental factor that the operational efficiency of photovoltaic plant is considered are meteorological datas at present, and in meteorological data
Most important factor is illumination and temperature.But the acquisition of these data and recording rate are very low, usually in units of hour, far
Far below the time constant that electromagnetic energy in photovoltaic plant and electric system changes, therefore actual demand cannot be met.In addition, light
Overhead utility data collection station is usually that periodically the data message of collecting device, these data messages often have independent successively
Property, and the data message of synchronization can not be obtained under same serial ports, therefore, the synchronism of data message is not strong, is not easy to
Data message is compared in O＆M.
The content of the invention
The technical problem to be solved in the present invention is that：For technical problem existing in the prior art, the present invention provides one
Kind improves data collection synchronous and the photovoltaic plant collecting method and system of correlation.
In order to solve the above technical problems, technical solution proposed by the present invention is：
A kind of photovoltaic plant collecting method, comprises the following steps：
S01, integrated by the way that meteorological data, position data, temporal information and photovoltaic plant are run data, generation modulation
Ripple, and be superimposed to form modulated signal with carrier wave；
S02, output modulated signal to collected equipment, carry out data information acquisition.
As being further improved for above-mentioned technical proposal：
In step S02, in carrier wave higher than during modulating wave, the interval T1 times are acquired device data information；It is modulating
For wave height during carrier wave, the interval T2 times are acquired device data information；Wherein T1<T2.
Wherein 300ms≤T1≤800ms；8s≤T1≤12s.
The meteorological data includes Lighting information, temperature information and humidity information；The position data is believed including longitude and latitude
Breath；The photovoltaic plant operation data include photovoltaic power station power generation power.
When carrier wave is more than modulating wave numerical value, when triggering synchronous pair：After when GPRS and cloud server pair, quilt is updated
The temporal information of collecting device.
In step S01, first by meteorological data, position data, temporal information carry out first time integration, then with photovoltaic electric
Operation data of standing carry out second and integrate, and generate modulating wave.
The present invention further correspondingly discloses a kind of photovoltaic plant data collecting system, including control module and relaying modulus of conversion
Block, the control module are connected with the relaying modular converter；The control module be used for by meteorological data, position data, when
Between information and photovoltaic plant operation data integrated, generate modulating wave, and be superimposed to form modulated signal with carrier wave；The relaying
Modular converter gathers the data message of each collected equipment for exporting modulated signal to each collected equipment.
As being further improved for above-mentioned technical proposal：
Adaptive synchronizer is further included, when the adaptive synchronizer is by internal GPRS and cloud server pair, update control
Module internal clock；Control module and will pair when instruction by relaying each collected equipment is reached under modular converter.
Power module is further included, the power module is connected with the control module and relaying modular converter；Wherein power supply
The electric energy of module is provided by the photovoltaic cell on acquisition system surface after conversion.
The power module includes electricity storage unit.
Compared with prior art, the advantage of the invention is that：
The present invention photovoltaic plant collecting method and system, by by a variety of Data Integrations into modulating wave, energy
Enough improve the synchronism and correlation of data acquisition.Additionally by modulating wave compared with carrier wave, during so as to fulfill synchronous pair；And
And data acquisition can be switched in fast pass between normal transmissions.
Description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is modulating wave product process figure in the present invention.
Fig. 3 is modulated signal waveform figure in the present invention.
Fig. 4 is the frame assumption diagram of system in the present invention.
Figure label represents：1st, control module；2nd, modular converter is relayed；3rd, adaptive synchronizer；4th, power module；5th, adjust
Ripple processed；6th, carrier wave.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1 to Figure 3, the photovoltaic plant collecting method of the present embodiment, comprises the following steps：
S01, integrated by the way that meteorological data, position data, temporal information and photovoltaic plant are run data, generate modulating wave
5, and be superimposed to form modulated signal with carrier wave 6；
S02, output modulated signal to collected equipment, carry out data information acquisition.
Specifically, controlled using triangular carrier 6, after being modulated by the modulating wave 5 of inside generation, output driving one kind is extensively called together
Instruction, all devices are according to the wide unique ID for calling instruction type returning equipment data message together, equipment being carried in device data information
Code and device type mark, receive terminal according to unique ID codes and device type mark data message is decoded, identify with
Sort out.
The present invention photovoltaic plant collecting method, by by a variety of Data Integrations into modulating wave 5, can
Improve the synchronism and correlation of data acquisition.
As shown in figure 3, in the present embodiment, in step S02, in carrier wave 6 higher than during modulating wave 5, the T1 times pair are spaced
Device data information carries out Quick Acquisition；In modulating wave 5 higher than during carrier wave 6, the interval T2 times carry out device data information
Conventional Christmas；Wherein T1<T2, wherein 300ms≤T1≤800ms；8s≤T1≤12s, preferably T1 are 500ms, T2 10S.
As shown in Fig. 2, in the present embodiment, meteorological data includes Lighting information, temperature information and humidity information；Position data
Including latitude and longitude information；Photovoltaic plant operation data include photovoltaic power station power generation power；Specifically, in step S01, first will
Meteorological data, position data, temporal information carry out first time integration, then carry out second with photovoltaic plant operation data and integrate,
Generate modulating wave 5.
In the present embodiment, 6 cycle of carrier wave is 60S, when carrier wave 6 is more than 5 numerical value of modulating wave, when triggering one subsynchronous pair：
After when GPRS and cloud server pair, the temporal information of collected equipment is updated.
As shown in figure 4, the invention also discloses a kind of photovoltaic plant data collecting system, including control module 1（Such as CPU）
With relaying modular converter 2, control module 1 is connected with relaying modular converter 2；Control module 1 is used for meteorological data, positional number
It is integrated according to, temporal information and photovoltaic plant operation data, generates modulating wave 5, and be superimposed to form modulated signal with carrier wave 6；
Relaying modular converter 2 gathers the data message of each collected equipment for exporting modulated signal to each collected equipment.This
The photovoltaic plant data collecting system of invention is adopted by the way that a variety of Data Integrations into modulating wave 5, can be improved data
The synchronism and correlation of collection, and it is simple in structure.
In the present embodiment, adaptive synchronizer 3 is further included, adaptive synchronizer 3 passes through internal GPRS and cloud server
Pair when, update 1 internal clocking of control module；Control module 1 and will pair when instruction by relaying each adopted is reached under modular converter 2
Collect equipment.
In the present embodiment, 2 inside of relaying modular converter has the real-time buffer area of the high speed with time identifier；It is high in carrier wave 6
During modulating wave 5（△ T in Fig. 4）, it is fast to pass the equipment effective, relaying modular converter 2 gathers photovoltaic plant with 500ms intervals
Data message；In modulating wave 5 higher than during carrier wave 6, it is invalid to pass soon, and relaying modular converter 2 recovers 10s intervals acquisition photovoltaic plant
Device data information.
In the present embodiment, power module 4 is further included, power module 4 is connected with control module 1 and relaying modular converter 2, uses
In the power supply for providing each module；Wherein the electric energy of power module 4 is by acquisition system surface（Such as tank surface）Photovoltaic cell warp
It is provided after crossing conversion, and power module 4 further includes electricity storage element（Such as accumulator）, for storing electricity, ensure each mould
The reliability of block work.
In the present embodiment, being collected equipment includes the equipment such as photovoltaic plant inverter, header box, ammeter, environment monitor；
The photovoltaic plant data collecting system of the present invention is photoinduction type, passes through the meteorological datas such as illumination, temperature and longitude and latitude, time
It is run Deng because of sub-control system；By relaying transition boost traffic rate, resource is optimized.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (10)
1. a kind of photovoltaic plant collecting method, which is characterized in that comprise the following steps：
S01, integrated by the way that meteorological data, position data, temporal information and photovoltaic plant are run data, generate modulating wave
（5）, and and carrier wave（6）Superposition forms modulated signal；
S02, output modulated signal to collected equipment, carry out data information acquisition.
2. photovoltaic plant collecting method according to claim 1, which is characterized in that in step S02, in carrier wave
（6）Higher than modulating wave（5）Period, interval T1 times are acquired device data information；In modulating wave（5）Higher than carrier wave（6）
Period, interval T2 times are acquired device data information；Wherein T1<T2.
3. photovoltaic plant collecting method according to claim 2, which is characterized in that wherein 300ms≤T1≤
800ms；8s≤T1≤12s.
4. according to the photovoltaic plant collecting method described in claim 1 or 2 or 3, which is characterized in that the meteorological data bag
Include Lighting information, temperature information and humidity information；The position data includes latitude and longitude information；The photovoltaic plant runs data
Including photovoltaic power station power generation power.
5. photovoltaic plant collecting method according to claim 1 or 2, which is characterized in that work as carrier wave（6）More than modulation
Ripple（5）During numerical value, when triggering synchronous pair：After when GPRS and cloud server pair, the temporal information of collected equipment is updated.
6. photovoltaic plant collecting method according to claim 1 or 2, which is characterized in that in step S01, first
Meteorological data, position data, temporal information are subjected to first time integration, then it is whole for the second time with photovoltaic plant operation data progress
It closes, generates modulating wave（5）.
7. a kind of photovoltaic plant data collecting system, which is characterized in that including control module（1）With relaying modular converter（2）, institute
State control module（1）With the relaying modular converter（2）It is connected；The control module（1）For by meteorological data, positional number
It is integrated according to, temporal information and photovoltaic plant operation data, generates modulating wave（5）, and and carrier wave（6）Superposition forms modulation letter
Number；The relaying modular converter（2）For exporting modulated signal to each collected equipment, and gather the number of each collected equipment
It is believed that breath.
8. photovoltaic plant data collecting system according to claim 7, which is characterized in that further include adaptive synchronizer
（3）, the adaptive synchronizer（3）During by internal GPRS and cloud server pair, control module is updated（1）Internal clocking；
Control module（1）And will pair when instruction by relaying modular converter（2）Under reach each collected equipment.
9. the photovoltaic plant data collecting system according to claim 7 or 8, which is characterized in that further include power module
（4）, the power module（4）With the control module（1）With relaying modular converter（2）It is connected；Wherein power module（4）Electricity
It can be provided by the photovoltaic cell on acquisition system surface after conversion.
10. photovoltaic plant data collecting system according to claim 9, which is characterized in that the power module（4）Including
Electricity storage unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711382317.6A CN108111601A (en) | 2017-12-20 | 2017-12-20 | A kind of photovoltaic plant collecting method and system |
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| CN201711382317.6A CN108111601A (en) | 2017-12-20 | 2017-12-20 | A kind of photovoltaic plant collecting method and system |
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| KR20070078092A (en) * | 2007-07-02 | 2007-07-30 | 순천대학교 산학협력단 | Maximum power point tracking of photovoltaic system using approximation method |
| CN101499666A (en) * | 2008-11-03 | 2009-08-05 | 天津理工大学 | Photovoltaic grid connection power generation system based on DC converter and working method thereof |
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