CN205901685U - Solar photovoltaic detects and data system - Google Patents

Solar photovoltaic detects and data system Download PDF

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Publication number
CN205901685U
CN205901685U CN201620684722.8U CN201620684722U CN205901685U CN 205901685 U CN205901685 U CN 205901685U CN 201620684722 U CN201620684722 U CN 201620684722U CN 205901685 U CN205901685 U CN 205901685U
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China
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photovoltaic
power supply
sensor
data
photo
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CN201620684722.8U
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Inventor
曹蓓
程思萌
邓才波
范瑞祥
刘心悦
曾伟
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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Abstract

The utility model provides a solar photovoltaic detects and data system, includes that the primary server (12), center insert machine (13), control and data bus (14), DDC controller (6), protocol converter (9), mutual -inductor, changer, sensor and photovoltaic power (1). The sensor is including light light intensity sensor (10) and ray radiation degree sensor (11), the changer includes temperature sensor (8) and humidity transducer (7), the mutual -inductor includes direct current transformer (2), direct current voltage transformer (3), ac current transformer (5) and exchanges voltage transformer (4). Through control and data bus are with temperature, humidity, illumiinance and ray radiation degree signal transmission extremely the primary server. The utility model discloses accomplish the collection and the detection of solar photovoltaic data to rejecting exception data, obtaining accurate choice data, this system gathers and the simply easy operation of testing process, reduces artificial work load, detection efficiency is high, weak point consuming time, the data precision is high.

Description

A kind of photovoltaic detection and data system
Technical field
This utility model is related to a kind of photovoltaic detection and data system, belongs to solar energy detection technique field.
Background technology
In recent years, with industrialized fast development, people are gradually increased to the demand of the energy.According to International Energy Agency (iea) " world energy outlook 2014 " prediction issued, the year two thousand forty whole world main energy sources demand is expected increase by 37%.Therefore, coal, The conventional energy resources such as oil, natural gas face serious supply shortage problem.As one of new forms of energy solar energy have pollution-free, The advantages of renewable, total amount is big, distribution is wide, can alleviate the problems such as energy shortage, energy-saving and emission-reduction and climate change.Solar-electricity Pond converts light energy into electric energy, is one of currently the most important ones clean energy resource, effectively utilizes and develops solar energy, complete to alleviating The vigorous energy demand of ball, the exhaustion of solution non-regeneration energy play the role of very positive.Therefore, countries in the world all start Increase the dynamics developing solar energy resources.
The photovoltaic component such as photovoltaic module and photovoltaic DC-to-AC converter is the core component of photovoltaic generating system, and the quality of its performance is straight Connect the generating efficiency being related to whole power station.But, to calculate and analyze every operating index in photovoltaic component it is necessary first to Gather the electric parameters of its input and outfan, then by the method for testing data finishing analysis of science, and then to photovoltaic electric The operation characteristic stood carries out real diagnosis evaluation.Therefore, collection and detection to electric parameters are just particularly important, the essence of its data Exactness directly affects the A+E of performance indications.
Due to the not relevant criterion for this data collecting system or specification, existing system has a following defect:
1) collection and detection process very complicated;Detection efficiency is relatively low, takes longer;Data precision is low, easily occurs wrong By mistake.
2) auto alarm signal will not be sent to abnormal data, and then collect undesirable data in a large number, reduce The accuracy of data, thus affect the A+E of photovoltaic component performance indications.
It is therefore desirable to a kind of photovoltaic detection solving the above problems of design and data system.
Content of the invention
The purpose of this utility model is, in order in real time, gathers and the calculating detecting photovoltaic component capabilities index exactly With required data during analysis, a kind of this utility model offer photovoltaic detection and data system.
The technical solution of the utility model is as follows, a kind of detection of photovoltaic and data system, including master server, in The heart accesses machine, controls data bus, ddc controller, protocol converter, transformer, transmitter, sensor and photo-voltaic power supply.
Described photo-voltaic power supply output termination 220v power supply, photo-voltaic power supply control end connects ddc controller by transformer; Ddc controller connects control data bus;
Described photo-voltaic power supply output termination 220v power supply, photo-voltaic power supply control end passes through transmitter or sensor connection protocol Transducer;Protocol converter connects control data bus;
The input that machine is accessed at described center connects master server;The outfan connection that machine is accessed at center controls data total Line;Center is accessed machine and is powered by photo-voltaic power supply.
The environmental aspect such as described sensor sensing illuminance and Radiation intensity generates the signal of telecommunication, described transmitter by temperature and The normal signal such as humidity are changed into electric current, voltage signal, are converted into the standard signal of telecommunication via described scene ddc controller, pass through Described control data bus transmits a signal to described master server;When temperature, humidity, illuminance and Radiation intensity too high or When too low, described master server can be experienced exception and send alarm signal and display wrong data.
Described transformer is that DC current transformer, DC voltage transformer, AC current transformer or alternating voltage are mutual Sensor.
Described transmitter is humidity transmitter or temperature transmitter.
Described sensor is illuminance sensor or Radiation intensity sensor.
Described photo-voltaic power supply, comprises photovoltaic module and photovoltaic DC-to-AC converter outdoor unit.
The beneficial effects of the utility model are that this system work process of this utility model is simple to operation, can in real time, Photo-voltaic power supply data being acquired and detects of line, artificial workload greatly reduces.This utility model detection efficiency is high, takes Short;Data precision height is it is not easy to mistake.When the parameters such as photo-voltaic power supply temperature, humidity, illuminance and Radiation intensity are too high or When too low, master server in system being capable of automatic sensing exception send alarm signal and display wrong data, thus picking Except abnormal data, obtain accurately selected data, therefore can greatly improve the standard of photovoltaic component performance Index Calculation and analysis Really property.
Brief description
Fig. 1 is photovoltaic detection of the present utility model and data storage system architectures figure;
In figure, 1 is photo-voltaic power supply;2 is DC current transformer;3 is DC voltage transformer;4 is alternating voltage mutual inductance Device;5 is AC current transformer;6 is ddc controller;7 is humidity sensor;8 is temperature transmitter;9 is protocol converter; 10 is illuminance sensor;11 is light radiation sensor;12 is master server;13 is that machine is accessed at center;14 is to control data Bus;15 is 220 volts of power supplys.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage become apparent from, understandable, new to this practicality below in conjunction with the accompanying drawings Type is described in further detail.
A kind of detection of photovoltaic of the present embodiment and data system, access machine, control sum including master server, center According to bus, ddc controller, protocol converter, transformer, transmitter, sensor and photo-voltaic power supply;
Described ddc controller is field digital signal self-operated controller, adc (analog-to-digital therein Converter), that is, analogue signal can realize the signals collecting to Sensor Analog Relay System output to digital signal converter module And be converted to the signal of telecommunication;Micro-signal processor module can carry out calculation process by respective algorithms to the digital signal of collection; Can bus module can be by being connected the master-slave communication realizing live ddc and central controller with fieldbus.Connect by input Mouth can accept from the analogue signal of each electric appliances and digital signals such as sensors, and output interface passes through all kinds of executors to equipment It is simulated controlling or digital control.
Described protocol converter referred to as association turns, and is also interface convertor, and it can make to be in communication network using different high-rise The main frame of agreement is still worked in coordination, and completes various Distributed Application.It is operated in transport layer or higher.Interface protocol transducer Typically just can be completed with an asic chip, low cost, small volume.It can by the Ethernet of ieee802.3 agreement or V.35 data-interface is mutually changed between standard g.703 the 2m interface of agreement.Can also in 232/485/422 serial ports and E1, can interface and 2m interface are changed.
Described transformer is that DC current transformer, DC voltage transformer, AC current transformer and alternating voltage are mutual Sensor.Non-linear and asymmetry when it is jointly magnetized by direct current and alternating current, voltage using iron core in iron-core coil, leads to Over commutation circuit, will be transformed into small current by the high current of coil by number of turn inverse ratio, by number of turn direct ratio, high voltage is become low Voltage.
Described transmitter is humidity transmitter and temperature transmitter.It is by humidity, temperature this kind of physical measurement signal or Normal signal is converted to normalized current, voltage signal output or the equipment that can export in communications protocol mode.
Described sensor is illuminance sensor and Radiation intensity sensor.It is a kind of detection means, can experience by The information of measurement, and the information experienced can be for conversion into the signal of telecommunication according to certain rules or the information of other desired forms is defeated Go out, required with meeting transmission, process, storage, display, record and control of information etc..Sensor in this utility model will be felt The illuminance answered and Radiation intensity are for conversion into the signals of telecommunication such as electric current, voltage.
Described photo-voltaic power supply, comprises the outdoor units such as photovoltaic module and photovoltaic DC-to-AC converter.
The described sensor device sensing environmental aspect such as illuminance and Radiation intensity generates the signal of telecommunication, described transmitter device The normal signal such as temperature and humidity are changed into electric current, voltage signal, are converted into standard telecommunications via described scene ddc device Number, described master server is transmitted a signal to by described control data bus.
This utility model sets a threshold values to temperature, humidity, illuminance and Radiation intensity, when real-time parameter exceedes threshold values When, described master server can experience the out-of-limit abnormal conditions of data, automatically send alarm signal and show wrong data, so System will be rejected abnormal wrong data afterwards, finally give accurately selected data, thus being photovoltaic component performance indications Calculate and lay a good foundation with analysis.
Photovoltaic can conveniently and effectively be completed with data system by photovoltaic of the present utility model detection The collection of data and detection, and rejecting abnormalities data, obtain accurately selected data.

Claims (6)

1. a kind of detection of photovoltaic and data system, includes master server, control data bus it is characterised in that institute System of stating also includes center and accesses machine, ddc controller, protocol converter, transformer, transmitter, sensor and photo-voltaic power supply;
Described photo-voltaic power supply output termination 220v power supply, photo-voltaic power supply control end connects ddc controller by transformer;Ddc is controlled Device processed connects control data bus;
Described photo-voltaic power supply output termination 220v power supply, photo-voltaic power supply control end passes through transmitter or the conversion of sensor connection protocol Device;Protocol converter connects control data bus;
The input that machine is accessed at described center connects master server;The outfan that machine is accessed at center connects control data bus; Center is accessed machine and is powered by photo-voltaic power supply.
2. according to claim 1 a kind of detection of photovoltaic with data system it is characterised in that described sensor sensing The environmental aspect such as illuminance and Radiation intensity generates the signal of telecommunication, and temperature and humidity signal is changed into electric current, electricity by described transmitter Pressure signal, is converted into the standard signal of telecommunication via described ddc controller, transmits a signal to institute by described control data bus State master server;When temperature, humidity, illuminance and Radiation intensity too high or too low when, described master server can be experienced different Often and send alarm signal and display wrong data.
3. a kind of photovoltaic detects with data system it is characterised in that described transformer is straight according to claim 1 Stream current transformer, DC voltage transformer, AC current transformer or AC voltage transformer.
4. a kind of photovoltaic detects with data system it is characterised in that described transmitter is wet according to claim 1 Degree transmitter or temperature transmitter.
5. a kind of photovoltaic detects with data system it is characterised in that described sensor is light according to claim 1 Illuminance transducer or Radiation intensity sensor.
6. according to claim 1 a kind of detection of photovoltaic with data system it is characterised in that described photo-voltaic power supply, Comprise photovoltaic module and photovoltaic DC-to-AC converter outdoor unit.
CN201620684722.8U 2016-07-01 2016-07-01 Solar photovoltaic detects and data system Active CN205901685U (en)

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CN201620684722.8U CN205901685U (en) 2016-07-01 2016-07-01 Solar photovoltaic detects and data system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110649659A (en) * 2019-11-19 2020-01-03 浙江正泰新能源开发有限公司 Photovoltaic inverter control method, device, equipment and computer storage medium
CN110989763A (en) * 2018-05-16 2020-04-10 广西师范大学 Power tracking method for photovoltaic camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110989763A (en) * 2018-05-16 2020-04-10 广西师范大学 Power tracking method for photovoltaic camera
CN110649659A (en) * 2019-11-19 2020-01-03 浙江正泰新能源开发有限公司 Photovoltaic inverter control method, device, equipment and computer storage medium

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