CN105846779A - Photovoltaic assembly vibration detection and photovoltaic assembly control device - Google Patents

Photovoltaic assembly vibration detection and photovoltaic assembly control device Download PDF

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Publication number
CN105846779A
CN105846779A CN201610161696.5A CN201610161696A CN105846779A CN 105846779 A CN105846779 A CN 105846779A CN 201610161696 A CN201610161696 A CN 201610161696A CN 105846779 A CN105846779 A CN 105846779A
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CN
China
Prior art keywords
vibration
signal
photovoltaic module
control
photovoltaic assembly
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610161696.5A
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Chinese (zh)
Inventor
张瑜
陈黛文
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SUZHOU XUANHE IOT TECHNOLOGY Co Ltd
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SUZHOU XUANHE IOT TECHNOLOGY Co Ltd
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Priority to CN201610161696.5A priority Critical patent/CN105846779A/en
Publication of CN105846779A publication Critical patent/CN105846779A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H17/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
    • 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

Abstract

The invention discloses a photovoltaic assembly vibration detection and a photovoltaic assembly control device, comprising a photovoltaic assembly arranged on a framework, a vibration sensor array, a signal collector, a signal analysis instrument, a storage device, a central processing device and a displayer. The vibration sensor array is used for detecting vibration of the framework to obtain an analog signal; the signal collector is used for collecting the analog signal to obtain an electric signal; the signal analysis instrument is used for analyzing the electric signal and calculating and determining an average vibration frequency; the storage device is used for pre-storing a vibration level determination table composing of preset vibration frequency and a corresponding vibration level; the central processor is used for mapping the average vibration frequency to the retrieved vibration level determination table, determining the corresponding vibration level according to the average vibration frequency and outputting a control signal; and the displayer is used for displaying the vibration level according to the control signal. The photovoltaic assembly vibration detection and the photovoltaic assembly control device can realize automation detection and analysis and can accurately detect the vibration condition.

Description

A kind of The vibration detection of photovoltaic module and control device
Technical field
The present invention relates to the vibration detection of a kind of photovoltaic module and control device, belonging to the technical field of photovoltaic generation.
Background technology
At present, volt generating is as a kind of technology type, to developing solar energy resources energy-saving and emission-reduction, promotes that the sustainable development of society has important strategic importance.Photovoltaic generation is the one of solar electrical energy generation, is to utilize the photovoltaic effect of interface that luminous energy is directly translated into a kind of technology of electric energy.The key element of this technology is solaode.Solaode carries out packaging protection after series connection can form large-area solar module, then coordinates the parts such as upper power controller to be the formation of photovoltaic power generation apparatus.
For photovoltaic generation, use photovoltaic module, solar energy is converted directly into the distributed power generation of electric energy.It is a kind of novel, have generating with broad prospects for development and comprehensive utilization of energy mode, it is advocated and generates electricity nearby, the most grid-connected, change nearby, the principle used nearby, the generated energy of same size photovoltaic plant can not only be effectively improved, the most also efficiently solve electric power loss problem in boosting and long-distance transport.
Electricity generation system is separate, can control voluntarily, it is to avoid massive blackout accident occurs, and safety is high;Make up the deficiency of bulk power grid stability, continue power supply at the time of emergency, become the important supplement that centrally connected power supply is indispensable;The quality of region electric power and performance can be monitored in real time, be especially suitable for rural area, pastoral area, mountain area, developing large, medium and small city or sowntown resident power, and are greatly reduced environmental protection pressure;Power transmission and distribution loss is low, even without, it is not necessary to building power distribution station, reduce or avoid the power transmission and distribution cost added, civil engineering and installation cost are low;And, owing to the system participating in running is few, start and stop are quick, it is simple to realize full-automatic.
Thus so that photovoltaic module plays an important role in photovoltaic generation.While it is true, existing photovoltaic generating system still suffers from deficiency, such as application number: 201410820306.1 In the file of the applying date: 2014-12-24, disclose " a kind of photovoltaic module.Wherein, this photovoltaic module includes: solaode and the transparent back panel being arranged at solaode incident side, photovoltaic module also includes the selection light transmission film being arranged between solaode and transparent back panel, wherein, selects light transmission film to be increased anti-film layer group by least one of which medium and becomes.Become owing to selecting light transmission film to be increased anti-film layer group by least one of which medium, thus may utilize the medium anti-film of increasing and can reflect this character of special wavelength light, pass light through medium increasing anti-film layer regulation to be reflected back in solaode, and then improve the photoelectric transformation efficiency of solaode, and make photovoltaic module that the transmitance of special wavelength light to be reduced, it is achieved that photovoltaic module passes through effect to the selectivity of special wavelength light ".
And at an other application number: in the file of 201510267010.6 applyings date: 2015-05-22, disclose that " a kind of photovoltaic module, it includes some battery strings being parallel to each other and extend longitudinally respectively and carries the backboard of described battery strings.Some battery strings are symmetrically distributed on the sensitive surface of backboard and are formed some unit groups being sequentially connected in series along longitudinally one-tenth two row.Described battery strings has along the longitudinally outer end near back plate edges and the inner near backboard middle position.Each unit group is included in the two string battery strings that outer end uses the first busbar to be connected in series and is disposed adjacent side by side.Photovoltaic module also includes the some rosettees being arranged on described backboard shady face, the laterally spaced setting of rosette and edge are longitudinally positioned at the middle position of described backboard, in each unit group two string battery strings are made to share a described rosette, being provided with diode in rosette, two string battery strings the inners in each unit group are respectively connecting to positive pole and the negative pole of corresponding diodes inside terminal box.Thus can effectively solve the wiring challenge of busbar ".
Although structure or the function of photovoltaic module are made improvement by above-mentioned document so that it can more preferably connect up or possess higher light transmittance.But, although so, existing photovoltaic module still suffers from defect.Existing photovoltaic module generally place with in electric field, owing in electric field, environmental factors is bigger on the impact of photovoltaic module, and photovoltaic module cannot detect the Vibration Condition of himself framework in time, make to make to have influence in bad weather the stability of collection of photovoltaic module, the most do not possess the function of detection vibration automatically.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, the vibration detection of a kind of photovoltaic module is provided and controls device, solve existing photovoltaic module generally place with in electric field, the Vibration Condition of himself framework cannot be detected in time, the problem not possessing the function of detection vibration automatically.
The present invention solves above-mentioned technical problem the most by the following technical solutions:
The vibration detection of a kind of photovoltaic module and control device, including the photovoltaic module being arranged on framework, also include vibration detector arrays, signal picker, signal analyzer, memorizer, central processing unit and display;Described vibration detector arrays, is made up of several vibrating sensors being arranged on framework, obtains analogue signal for detecting the vibration of framework;Described signal picker, for being acquired the acquisition signal of telecommunication to analogue signal;Described signal analyzer, for being analyzed the signal of telecommunication, calculates and determines average oscillation frequency;Described memorizer, for prestoring the vibration class judgement table being made up of default frequency of vibration and corresponding vibration class;Described central processing unit, for average oscillation frequency maps to the vibration class judgement table transferred, determines its corresponding vibration class according to average oscillation frequency, and exports control signal;Described display, for showing vibration class according to control signal.
Further, as a preferred technical solution of the present invention: also including that air velocity transducer and analog-digital converter, described air velocity transducer are connected with analog-digital converter, described analog-digital converter is connected with central processing unit.
Further, as a preferred technical solution of the present invention: also include wave filter, the input of described wave filter connects signal picker, and the outfan of wave filter connects signal analyzer.
Further, as a preferred technical solution of the present invention: described vibration detector arrays is made up of four vibrating sensors.
Further, as a preferred technical solution of the present invention: any two adjacent in described four vibrating sensors is for being vertically arranged.
The present invention uses technique scheme, can produce following technique effect:
The vibration detection of photovoltaic module of the present invention and control device, by arranging vibration detector arrays on the framework of photovoltaic module place, utilize vibration detector arrays that the Vibration Condition of framework is detected, after signal picker collection and signal analyzer are analyzed, the vibration being combined prediction by central processing unit judges table, determine its corresponding vibration class according to average oscillation frequency, and registration is shown.It is achieved in the Vibration Condition to photovoltaic module and carries out Aulomatizeted Detect and analysis, manager can be supplied to exactly and check so that photovoltaic module can safer, more stably be arranged in photovoltaic plant, effectively gathers solar energy.Can solve existing photovoltaic module generally place with in electric field, it is impossible to the Vibration Condition of himself framework detected in time, the problem not possessing the automatically function of detection vibration.
Accompanying drawing explanation
Fig. 1 is the vibration detection of the photovoltaic module of the present invention and controls the schematic diagram of module of device.
Detailed description of the invention
Below in conjunction with Figure of description, embodiments of the present invention are described.
As shown in Figure 1, the present invention devises the vibration detection of a kind of photovoltaic module and controls device, including the photovoltaic module being arranged on framework, under normality, it is input in transformation of electrical energy circuit after the solar energy of photovoltaic module collection is converted, carrying out transformation of electrical energy and output, output is for DC load or is converted into exchange back loading.This device, also includes vibration detector arrays, signal picker, signal analyzer, memorizer, central processing unit and display;Wherein, described vibration detector arrays, it is made up of several vibrating sensors being arranged on framework;The outfan of described vibration detector arrays connects the input of signal picker;The outfan of described signal picker connects the input of signal analyzer;The outfan of described signal analyzer connects the input of central processing unit, and memorizer is also connected with the outfan of central processing unit;The outfan of described central processing unit connects the input of display.
The principle of this device is: described vibration detector arrays, is made up of several vibrating sensors being arranged on framework, obtains analogue signal for detecting the vibration of framework;Described signal picker, for being acquired the acquisition signal of telecommunication to analogue signal;Described signal analyzer, for being analyzed the signal of telecommunication, calculates and determines average oscillation frequency;Described memorizer, for prestoring the vibration class judgement table being made up of default frequency of vibration and corresponding vibration class;Described central processing unit, for average oscillation frequency maps to the vibration class judgement table transferred, determines its corresponding vibration class according to average oscillation frequency, and exports control signal;Described display, for showing vibration class according to control signal.
Thus, central processing unit the vibration combining prediction judges table, determines its corresponding vibration class according to average oscillation frequency, and registration is shown.Realize the Vibration Condition of photovoltaic module is carried out Aulomatizeted Detect and analysis, can be exactly as the judgement of Vibration Condition.
On this basis, device can also include that air velocity transducer and analog-digital converter, described air velocity transducer are connected with analog-digital converter, and described analog-digital converter is connected with central processing unit.Utilizing the wind conditions in place, air velocity transducer Direct-detection Optical photovoltaic assembly place, after analog-digital converter is converted into digital signal, central processing unit determines wind speed according to digital signal.And wind speed is compareed with the average oscillation frequency of gained, the accuracy of checking current vibration detection.
Further, device can also include wave filter, and the input of described wave filter connects signal picker, and the outfan of wave filter connects signal analyzer.Utilize wave filter to be filtered processing to the signal of telecommunication gathered, take out the noise in signal, improve the quality of signal so that signal becomes apparent from.
For device, described vibration detector arrays can be made up of four vibrating sensors.Utilize four sensors can improve vibration detection efficiency.Further, any two adjacent in described four vibrating sensors, for being vertically arranged, utilizes vertically disposed sensor so that all directions at framework place all can obtain detection, improves the scope of detection.
To sum up, the vibration detection of photovoltaic module of the present invention and control device, the Vibration Condition to photovoltaic module can be realized and carry out Aulomatizeted Detect and analysis, manager can be supplied to exactly check, photovoltaic module safer, more stably can be arranged in photovoltaic plant, solar energy is effectively gathered.Can solve existing photovoltaic module generally place with in electric field, it is impossible to the Vibration Condition of himself framework detected in time, the problem not possessing the automatically function of detection vibration.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to make a variety of changes on the premise of without departing from present inventive concept.

Claims (5)

1. photovoltaic module vibration detection and control a device, including the photovoltaic module being arranged on framework, it is characterised in that also include vibration detector arrays, signal picker, signal analyzer, memorizer, central processing unit and display;Described vibration detector arrays, is made up of several vibrating sensors being arranged on framework, obtains analogue signal for detecting the vibration of framework;Described signal picker, for being acquired the acquisition signal of telecommunication to analogue signal;Described signal analyzer, for being analyzed the signal of telecommunication, calculates and determines average oscillation frequency;Described memorizer, for prestoring the vibration class judgement table being made up of default frequency of vibration and corresponding vibration class;Described central processing unit, for average oscillation frequency maps to the vibration class judgement table transferred, determines its corresponding vibration class according to average oscillation frequency, and exports control signal;Described display, for showing vibration class according to control signal.
The most according to claim 1 photovoltaic module vibration detection and control device, it is characterised in that: also including that air velocity transducer and analog-digital converter, described air velocity transducer are connected with analog-digital converter, described analog-digital converter is connected with central processing unit.
The vibration detection of photovoltaic module and control device the most according to claim 1, it is characterised in that: also including wave filter, the input of described wave filter connects signal picker, and the outfan of wave filter connects signal analyzer.
The most according to claim 1 photovoltaic module vibration detection and control device, it is characterised in that: described vibration detector arrays is made up of four vibrating sensors.
The most according to claim 4 photovoltaic module vibration detection and control device, it is characterised in that: any two adjacent in described four vibrating sensors is for being vertically arranged.
CN201610161696.5A 2016-03-22 2016-03-22 Photovoltaic assembly vibration detection and photovoltaic assembly control device Pending CN105846779A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026611A (en) * 2017-05-19 2017-08-08 河南许继仪表有限公司 A kind of photovoltaic power generation solar cell panel performance monitoring system

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Publication number Priority date Publication date Assignee Title
JPS6264919A (en) * 1985-09-18 1987-03-24 Fuji Electric Co Ltd Simple vibration monitor apparatus
CN101227158A (en) * 2008-01-21 2008-07-23 北京格物创道科技发明有限公司 Automatic tracking type solar generator
CN201804431U (en) * 2010-07-29 2011-04-20 中国建筑科学研究院 Wireless testing system for field luminous environment
CN201812372U (en) * 2010-09-29 2011-04-27 西安工程大学 Breeze vibration online monitoring system for power transmission lines
CN202281957U (en) * 2011-11-01 2012-06-20 陕西科技大学 Sun orientation sensor
CN103575385A (en) * 2012-07-25 2014-02-12 中国科学院西安光学精密机械研究所 Light measurement sensor for four directions of sunlight
CN203951437U (en) * 2014-06-17 2014-11-19 南京信息工程大学 Photovoltaic plant wind resistance checkout gear
KR20150007887A (en) * 2013-07-12 2015-01-21 케이티엠엔지니어링(주) Measuring Device for Detecting Malfunction with Self-Charging Module Using Vibration Sensor
CN104620118A (en) * 2012-09-11 2015-05-13 伊顿公司 Method and apparatus for detecting a loose electrical connection in a photovoltaic system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6264919A (en) * 1985-09-18 1987-03-24 Fuji Electric Co Ltd Simple vibration monitor apparatus
CN101227158A (en) * 2008-01-21 2008-07-23 北京格物创道科技发明有限公司 Automatic tracking type solar generator
CN201804431U (en) * 2010-07-29 2011-04-20 中国建筑科学研究院 Wireless testing system for field luminous environment
CN201812372U (en) * 2010-09-29 2011-04-27 西安工程大学 Breeze vibration online monitoring system for power transmission lines
CN202281957U (en) * 2011-11-01 2012-06-20 陕西科技大学 Sun orientation sensor
CN103575385A (en) * 2012-07-25 2014-02-12 中国科学院西安光学精密机械研究所 Light measurement sensor for four directions of sunlight
CN104620118A (en) * 2012-09-11 2015-05-13 伊顿公司 Method and apparatus for detecting a loose electrical connection in a photovoltaic system
KR20150007887A (en) * 2013-07-12 2015-01-21 케이티엠엔지니어링(주) Measuring Device for Detecting Malfunction with Self-Charging Module Using Vibration Sensor
CN203951437U (en) * 2014-06-17 2014-11-19 南京信息工程大学 Photovoltaic plant wind resistance checkout gear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026611A (en) * 2017-05-19 2017-08-08 河南许继仪表有限公司 A kind of photovoltaic power generation solar cell panel performance monitoring system

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