CN206400318U - The device of photovoltaic plant remote monitoring is realized using Beidou communication terminal - Google Patents
The device of photovoltaic plant remote monitoring is realized using Beidou communication terminal Download PDFInfo
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- CN206400318U CN206400318U CN201720106167.5U CN201720106167U CN206400318U CN 206400318 U CN206400318 U CN 206400318U CN 201720106167 U CN201720106167 U CN 201720106167U CN 206400318 U CN206400318 U CN 206400318U
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Abstract
The utility model discloses the device that a kind of utilization Beidou communication terminal realizes photovoltaic plant remote monitoring, home site and multiple substation points for being arranged on each photovoltaic plant including being arranged on power-management centre, each substation point sets data acquisition module, data acquisition module is bi-directionally connected by the data service center of communication module and home site, it is characterised in that：Data service center connects client data processing module, and client data processing module connection State Grid dispatch network is attached between the data acquisition module and home site data service center of each substation point by the communication link of BDStar navigation system.The utility model builds photovoltaic plant remote monitoring system using the bi-directional communication function of Big Dipper terminal, realizes the data communication between home site and substation point.
Description
Technical field
The utility model is related to photovoltaic plant long-distance monitorng device technical field, more specifically, is to be related to a kind of utilization
Beidou communication terminal realizes the device of photovoltaic plant remote monitoring.
Background technology
As economic development and the level of consumption are improved, the haze and greenhouse effects problem that fossil energy consumption is brought are more next
It is more serious.To solve this problem, it is necessary to which it is representative to greatly develop with photovoltaic generation, biomass power generation, wave-activated power generation etc.
New Energy Industry.Photovoltaic generation produces supply of electric power using solar energy, and power generation process does not have mechanical component, noiseless；No
The non-renewable fossil fuel of consumption, carbon dioxide and other poisonous greenhouse gases are not discharged, pollution-free, are that one kind preferably may be used
Renewable source of energy generation technology.
In order to save and utilize land resource, photovoltaic plant typically build remote desert or high roof, people in
It is not easy to reach easily, maintenance and the monitoring to photovoltaic plant add difficulty.
At present, the telecommunication of photovoltaic plant and monitoring, mainly using two methods：
One is to utilize Internet INTERNET, i.e. internet.Internet carries out information transfer using ICP/IP protocol.
Two be the mobile communications network provided using mobile phone operators, has GSM and CDMA than more typical.GSM is
Global System for Mobile Communication（Global system for mobile communications）Abbreviation, CDMA is Code
Division Multiple Access (CDMA) english abbreviation.
The shortcoming of both approaches is：
1st, coverage is narrow.The underpopulated areas such as remote and rural area and the desert built in photovoltaic plant, because
Special net and mobile communications network are all difficult to reach.
2nd, communications cost is high.The city of UNICOM in internet, is connected to internet, it is necessary to monthly or by flow pay net
Network communication expense, typically 1000 yuan of annual left and right；Internet does not have the remote districts of UNICOM, and its cost is difficult to assess.
It is higher using the cost of mobile network, if with the form receiving and transmitting signal such as short message, by 1 minute in terms of one 0.1 yuan,
Communication 10 hours, then need 60 yuan daily, the communication expense of 1 year is up to 21900 yuan daily.
3rd, level security is poor.According to National Development and Reform Committee in 2014《Electric power monitoring system security protection is provided》（No. 14
Order）, 2015 National Energy Boards print and distribute《Notice on printing and distributing power monitoring security protection scheme and evaluating regulation》（Country's peace
[2015] No. 36 entirely）, 2016 national grids《The notice of grid-connected scheduling protocol supplementary provision is signed on tissue in Guo Tiao centers》（Adjust
Skill [2016] 74）Safety requirements all is provided to Power Station Monitored Control System Deng file.Use internet and mobile phone movement 3G, 4G net
Easily by the invasion and attack of hacker and malicious code, it is unfavorable for safe and secret communication.
4th, the stability monitoring to building can not be realized.
Utility model content
The purpose of this utility model be to provide a kind of system ovelay range it is wide, realize adopting for photovoltaic plant data comprehensively
Collect the utilization Beidou communication terminal with display, the management and running of photo-voltaic power generation station, malfunction monitoring with alarming and realize that photovoltaic plant is remote
The device of range monitoring, with the presence of overcoming the shortcomings of prior art.
The technical scheme in the invention for solving the technical problem is：One kind realizes photovoltaic plant using Beidou communication terminal
The device of remote monitoring, including it is arranged on the home site of power-management centre and multiple substations for being arranged on each photovoltaic plant
Point, each substation point sets data acquisition module, and data acquisition module is double by the data service center of communication module and home site
To connection, data service center connection client data processing module, the scheduling of client data processing module connection State Grid
Network, passes through the communication of BDStar navigation system between the data acquisition module and home site data service center of each substation point
Link is attached.
The data acquisition module includes data acquisition device, microcontroller, accumulator cell charging and discharging controller, public sensing
Device, the microcontroller is connected with data acquisition device, accumulator cell charging and discharging controller, common sensor respectively, described public
Sensor is used for detection temperature, humidity, air speed data.
The BDStar navigation system includes Big Dipper difference high-accuracy position system, and Big Dipper terminal is by receiving difference north
The amendment data of bucket guidance station coordinate with multiple Big Dipper terminals, obtain high-precision substation point building or power station pedestal is stable
Degrees of data.
The beneficial effects of the utility model are：
1）The utility model builds photovoltaic plant remote monitoring system using the bi-directional communication function of Big Dipper terminal, realizes master
Data communication between website and substation point, collection and display with wide coverage, that realize photovoltaic plant data comprehensively,
Management and running, malfunction monitoring and the advantage of alarm of photo-voltaic power generation station.
2）The utility model utilizes the precision positioning function of Big Dipper terminal, is realized while communication to installing photovoltaic plant
Pedestal and building carry out building displacement and stability monitoring.
Brief description of the drawings
Fig. 1 is grid-connected photovoltaic power station monitoring system Organization Chart of the present utility model.
Fig. 2 is the communication system network topological structure schematic diagram of the present utility model based on the Big Dipper.
Fig. 3 is the sub- high-precision difference location structure schematic diagram in photovoltaic substation of the present utility model.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " transverse direction ", " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " interior ", " outer " are based on orientation shown in the drawings or position
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or impliedly include
One or more this feature.In description of the present utility model, unless otherwise indicated, " multiple " are meant that two or two
More than individual.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should broadly understood, for example, it may be being fixedly connected.Can also be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language is in concrete meaning of the present utility model.
The present invention realizes telecommunication and the monitoring of photovoltaic plant using Beidou communication terminal, and realizes structure stability
The additional function of monitoring.It includes being arranged on the home site and multiple sons for being arranged on each photovoltaic plant 8 of power-management centre
Website 7, each substation point sets data acquisition module 1, and data acquisition module passes through in communication module 2 and the data, services of home site
The heart 10 is bi-directionally connected, data service center connection client data processing module 4, client data processing module connection state household electrical appliances
Power dispatch network SPDnet, it is fixed by Beidou navigation between the data acquisition module and home site data service center of each substation point
The communication link of position system is attached.
The data acquisition module includes data acquisition device, microcontroller, accumulator cell charging and discharging controller, public sensing
Device, the microcontroller is connected with data acquisition device, accumulator cell charging and discharging controller, common sensor respectively, described public
Sensor is used for detection temperature, humidity, air speed data.
The BDStar navigation system includes Big Dipper difference high-accuracy position system, and Big Dipper terminal 6 is by receiving difference
The amendment data at Beidou navigation station coordinate with multiple Big Dipper terminals, obtain high-precision substation point building or power station pedestal is steady
Determine degrees of data.
1st, system global structure
The structure of the utility model system is as shown in Figure 1.System design is broadly divided into three hierarchical structures：From the bottom up according to
It is secondary including：Photovoltaic plant signal acquisition layer, communication link layer and many power station Centralized Monitorings layer, home site are located at Centralized Monitoring layer.
So as to which whole system is made up of four module：Data acquisition module 1, communication module 2, data service module 3, at client data
Manage module 4.System architecture is as shown in Figure 1.
System is related to the data acquisition, control and communication of photovoltaic plant, the more particularly to height of the round-the-clock communication terminal of the Big Dipper
Precision is positioned and telecommunication.System is comprising a home site for being arranged on power-management centre and multiple is arranged on each photovoltaic
The substation point in power station.Home site is traffic guidance and the Surveillance center of photovoltaic generating system, the client data processing of home site
Module realizes the two-way communication with N number of substation point by dispatching data service center module using Beidou communication terminal, data
Safety and stability has enough guarantees.Home site carries out integrated dispatch according to the information of each substation point to photovoltaic plant
With management, optimization electric network swim distribution reduces grid loss.
2nd, the communication system network topological structure based on the Big Dipper
Communication system architecture based on the Big Dipper is by the measurement installed in each photovoltaic plant substation point and step-up substation end
The electrical management monitoring system composition of device and home site.Between the data measurement unit and monitoring system home site of each substation point
It is attached by the communication link of BDStar navigation system and the high speed data link on ground, the network of communication system is opened up
Flutter structure chart as shown in Figure 2.
Main website point server（Client）It is the control core of electrical management monitoring system, data clothes with data service center
Business is received centrally through Big Dipper terminal comes from each substation point information, and data service center after the data preliminary treatment that receives to carrying
For two data paths：Controlled accordingly to information is forwarded into each substation point by satellite 5 all the way.Another road is sent to
Master server 9, can be connected to State Grid dispatch network SPDnet by INTERNET nets.At main website point server and data
Reason center complex carries out storage accordingly, analysis, processing, monitoring etc. to the data received.National grid and monitoring power station system
Home site of uniting then is passed on to the operation instruction signal in electric substation and power station with opposite path fashion, can be to each photovoltaic generation
Substation point completes power scheduling, dynamic regulation and long-range remote control function.
State Grid dispatch network SPDnet (state Power Dispatching Network) is that power generation is real-time
The network of information transfer, the main information of network transmission is power scheduling real time data, production improvement data, communication monitoring data
Deng, be the important foundation of electric power commander safety in production and dispatching automation, coordinate power system send out, send, become, match somebody with somebody, electricity consumption etc.
The co-operation of part and ensure power grid security, economy, the effect for stably, in terms of reliable operation playing key.At present,
The whole nation has formed Pyatyi scheduling governing system.Power dispatch data network is main to dispatch data Ll net, region two by State Grid
Level net, provincial three-level net, districts and cities' level Four net and Pyatyi net at county level, cover control centres at different levels and directly readjust the distribution power plant, transformer station.Mesh
Previous stage net is built up substantially, two, three-level net engineering implement, a small number of provinces and cities have begun to build level Four net.It is mainly use
In scheduling real time data between communication it connect be that the area and 2nd area of control centre twoth area mainly have EMS SCADA etc.
System facilitates the communication between the two subregion inside of control centres at different levels.
3rd, building where photovoltaic plant or photovoltaic plant pedestal displacement monitoring
Two and the triones navigation system terminal of the above, are combined with differential data, it is possible to achieve centimetre even more high rank
Positioning precision.If photovoltaic plant is set up on the top of high buildings and large mansions, or power station pedestal is loosely, then can be led using the Big Dipper
The high-precision fixed bit function of boat system, realizes the real-time monitoring to them, prevention because building, because excessively waving or displacement, is led
The risk of toppling caused.This application causes photovoltaic power station monitoring system while the communication of secondary side electric data is realized, to building
The stability for building thing is monitored simultaneously, it is ensured that the safety of photovoltaic plant and building.
Deformation observation mainly includes settlement observation, displacement observation, deflection observation, rotational angle observation and Vibration etc.,
The pedestal stability of observation photovoltaic plant is to ensure one of basis of power station normal operation.For building the electricity in building roof
Stand, realize that the safety monitoring to building is also significant while to the deformation observation of power station pedestal.Deformation observation
It is due to the various modifications caused by extraneous factor such as loading and geological conditions change to building and its ground（Space displacement）'s
Determine work.Utilize triones navigation system and real time differential algorithm（Real Time Kinematic, RTK）, it is possible to achieve it is high-precision
The positioning of degree, for understanding the stability of building, monitors the security situation and deformation rule of building, when occurring abnormal,
The problem of inspection is photovoltaic pedestal or building itself, can prevent and take measures in advance, it is ensured that the reliability of system.At this
System, triones navigation system takes into account positioning and communication function, realizes efficient utilization.
As shown in figure 3, for needing to carry out the i.e. pinpoint substation point of building displacement monitoring, they can use two kinds of sides
Method provides positioning precision, and one is to receive the wireless broadcast data that difference Beidou navigation station 11 is sent, and carries out the location data of itself
Amendment.Another method is the position location for calculating physical location and the Big Dipper by pinpoint reference station 12
Compare and obtain position error amendment data, then by position error amendment data with wireless data broadcasting or Beidou communication link
Mode send target substation point to.
In summary, the utility model realizes photovoltaic plant remote monitoring using Beidou communication terminal, and its feature is as follows：
1st, wide coverage
Beidou satellite navigation system（BeiDou Navigation Satellite System, BDS）It is that China voluntarily grinds
The GPS of system.It is after american global positioning system（GPS）, after Russian GLONASS satellites navigation system
3rd ripe satellite navigation system.Dipper system provided the user be accurately positioned, accurate time transmission and exclusive short report
Literary communication function, has provided the user globalization, a round-the-clock two-way communications platform.The current coverage east longitude of the Big Dipper
About 70 ° ~ 140 °, 5 ° ~ 55 ° of north latitude has been carried out all standing to whole China and south east asia.
The communication function of Big Dipper terminal is utilized, it is possible to achieve the data acquisition and communication of all-weather, as long as can see
The local communication that can be good of sky, this is consistent with the characteristic of photovoltaic generation.Utilized wirelessly using the system of Beidou communication
Method, it is not necessary to enter the maintenance of row line, reliability is very high；For large-scale photovoltaic electric power company, as long as in a monitoring
The heart is that the monitoring to all power stations of subordinate can be achieved.
2nd, it is full-featured.
Photovoltaic power station monitoring system is designed according to the principle of " unattended, few man on duty ", can be complete in electric secondary side
Realize data acquisition, monitoring and the maintenance work of correlation to photovoltaic plant in face.
1）Realize the collection and display of photovoltaic plant data
In photovoltaic plant, each generator unit includes photovoltaic array, header box, DC lightning prevention cabinet, inverter, division transformation
Device and corresponding monitoring, protection equipment composition.The generating relevant information in real-time dynamic monitoring power station, Monitoring Data reflection system
The behavioral characteristics of generating.Voltage, electric current including each solar cell module module, online power, inverter, header box, electricity
The collection of the real time data and state of the underlying device such as pond plate, batteries and its controller, environment temperature.
2）The management and running of photo-voltaic power generation station
The operation of photovoltaic plant is, it is necessary to carry out the work of some maintainabilities, and Remote Dynamic control of the realization to power station is such as inverse
Become device it is grid-connected switch on-off, the cleaning of photovoltaic battery array and anomalous weather should the similar maintenance work of equity.System
The remote and local management and running to photovoltaic plant equipment are also realized, by parameter setting function easy to use, are simplified
Operator on duty works.System will realize Distance Test, far distance controlled, telecommunication and dispatch at a distance and multi-functional be
One, possesses high reliability, it is ensured that the safe and reliable operation in whole power station and annual uninterrupted steady operation.Need to be configured
Include data acquisition intervals time, the threshold value of fault diagnosis, solar radiation warning threshold values, needs unlatching figure with the parameter of modification
As collection etc..
3）Malfunction monitoring and alarm
The running status of monitoring system all devices, the alarm, and store failure letter immediately when equipment breaks down
Breath, including the time of failure generation and failure cause are checked for analysis personnel.Photovoltaic plant operation troubles include line voltage and
Frequency anomaly, inverter overload, short circuit, thermo-field thoery, islet operation, battery charging is abnormal, temperature is too high and controller
With communication link etc..These failures need timely processing, and calling attendant repairs facility, and recovers communication.Based on Beidou navigation
Photovoltaic plant management system possess the function that accident and emergency are handled and alarmed.When some equipment occurs abnormal, it is
System can rapidly recognize, position and send alarm signal, so as to take corresponding treatment measures.
4）Realize the precision time service of electric power management system
Because each photovoltaic plant is mostly using each independent clock, thus it is inclined to there is the larger time each other
Difference, ununified time reference, is unfavorable for operation maintenance and data analysis.The Conventional Time of Beidou satellite navigation and positioning system
Precision is up to below 1us, and the unified clock synchronization system by setting up can unify all devices, system time, preferably full
After foot operation monitoring and accident the need for accident analysis, processing, the synchronization of power system is realized.
5）Power station pedestal and building abnormal monitoring
Utilize triones navigation system and real time differential algorithm（Real Time Kinematic, RTK）, it is possible to achieve it is high-precision
The positioning of degree, for understanding the stability of building, monitors the security situation and deformation rule of building, when occurring abnormal,
The problem of inspection is photovoltaic pedestal or building itself, can prevent and take measures in advance, it is ensured that the reliability of system.At this
System, triones navigation system takes into account positioning and communication function, realizes efficient utilization.
6）Real-time effective secrecy transmission of electric network data transmission
Electric power management system can be realized using Beidou satellite communication link Surveillance center and each sub- photo-voltaic power generation station it
Between or photovoltaic plant communication capacity each other, so as to ensure the real-time Transmission of system operation and control data.Except protecting
Demonstrate,prove the reliability and real-time of communication, it is also necessary to ensure the confidentiality of communication, prevent outside world and interference.
3rd, economic value is high.The method of the present invention, in economic value can expand dipper system uses scope, is conducive to
The popularization and application of dipper system, its hardware price and communications cost all than relatively low, installation and debugging convenience, there is market prospects.
4th, in internet overlay area, it can also be monitored using the Big Dipper with the united mode in internet, important peace
It is total to carry out secret communication according to using dipper system, and the hardly important data such as power station live video use internet or movement
Network transmission, so as to realize Multi net voting communication for coordination.
While there has been shown and described that embodiment of the present utility model, it will be understood by those within the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle of the present utility model and objective, replaced
And modification, scope of the present utility model is limited by claim and its equivalent substitution, in changing for being made without creative work
Enter, should be included within protection domain of the present utility model.
Claims (3)
1. a kind of utilization Beidou communication terminal realizes the device of photovoltaic plant remote monitoring, including is arranged on power-management centre
Home site and multiple substation points for being arranged on each photovoltaic plant, each substation point set data acquisition module, data acquisition module
It is bi-directionally connected by the data service center of communication module and home site, it is characterised in that：Data service center connects client
Data processing module, client data processing module connection State Grid dispatch network, the data acquisition module of each substation point with
It is attached between home site data service center by the communication link of BDStar navigation system.
2. the device of photovoltaic plant remote monitoring is realized using Beidou communication terminal according to claim 1, it is characterised in that：
The data acquisition module includes data acquisition device, microcontroller, accumulator cell charging and discharging controller, common sensor, described
Microcontroller is connected with data acquisition device, accumulator cell charging and discharging controller, common sensor respectively, and the common sensor is used
In detection temperature, humidity, air speed data.
3. utilization Beidou communication terminal according to claim 1 or claim 2 realizes the device of photovoltaic plant remote monitoring, its feature exists
In：The BDStar navigation system includes Big Dipper difference high-accuracy position system, and Big Dipper terminal is led by receiving the difference Big Dipper
The amendment data stood of navigating coordinate with multiple Big Dipper terminals, obtain high-precision substation point building or the stable number of degrees of power station pedestal
According to.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547049A (en) * | 2017-10-30 | 2018-01-05 | 华南师范大学 | The monitoring method and monitoring system of a kind of photovoltaic array |
| CN107798441A (en) * | 2017-12-01 | 2018-03-13 | 北华航天工业学院 | A kind of smart micro-grid system based on distributed power generation |
| CN108829020A (en) * | 2018-05-03 | 2018-11-16 | 上海量斗物联网科技有限公司 | Artificial intelligence photovoltaic integrated application platform based on Beidou and the safe Internet of Things of quantum |
| CN110224440A (en) * | 2019-07-11 | 2019-09-10 | 深圳市联芯互联科技有限公司 | A kind of photovoltaic module generated output optimization system with wireless self-networking function |
-
2017
- 2017-02-03 CN CN201720106167.5U patent/CN206400318U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107547049A (en) * | 2017-10-30 | 2018-01-05 | 华南师范大学 | The monitoring method and monitoring system of a kind of photovoltaic array |
| CN107798441A (en) * | 2017-12-01 | 2018-03-13 | 北华航天工业学院 | A kind of smart micro-grid system based on distributed power generation |
| CN108829020A (en) * | 2018-05-03 | 2018-11-16 | 上海量斗物联网科技有限公司 | Artificial intelligence photovoltaic integrated application platform based on Beidou and the safe Internet of Things of quantum |
| CN110224440A (en) * | 2019-07-11 | 2019-09-10 | 深圳市联芯互联科技有限公司 | A kind of photovoltaic module generated output optimization system with wireless self-networking function |
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