CN107819439A - Photovoltaic panel on-line fault monitoring apparatus and system - Google Patents
Photovoltaic panel on-line fault monitoring apparatus and system Download PDFInfo
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- CN107819439A CN107819439A CN201711104008.2A CN201711104008A CN107819439A CN 107819439 A CN107819439 A CN 107819439A CN 201711104008 A CN201711104008 A CN 201711104008A CN 107819439 A CN107819439 A CN 107819439A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000012806 monitoring device Methods 0.000 claims description 50
- 239000000523 sample Substances 0.000 claims description 36
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 241001062009 Indigofera Species 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 7
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- 230000005540 biological transmission Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
- H02S50/15—Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a kind of photovoltaic panel on-line fault monitoring apparatus and system, the device includes controller, and multiple voltage detection modules, current detection module and the communication module being connected respectively with controller；Each voltage detection module is connected with multiple photovoltaic panels in photovoltaic panel group respectively, is sent for detecting the voltage data of each photovoltaic panel, and by voltage data to controller；Current detection module is connected with photovoltaic panel group, is sent for detecting the current data of photovoltaic panel group, and by current data to controller；Controller is used to carry out failure anticipation according to each voltage data and current data of reception, obtains failure anticipation result, and voltage data, current data and failure anticipation result are sent to monitor terminal by communication module.Photovoltaic panel on-line fault monitoring apparatus and system provided by the invention, the incipient failure of photovoltaic panel can be found in time, be quickly and accurately positioned the photovoltaic panel of damage.
Description
Technical field
The present invention relates to fault detection technique field, more particularly, to a kind of photovoltaic panel on-line fault monitoring device and is
System.
Background technology
Photovoltaic board component is the TRT that a kind of exposure will produce direct current in the sun, by almost all partly to lead
Thin body solid photovoltaic cell composition made of body material (such as silicon).
At present in large solar photovoltaic electricity generation system, the on-line performance detection to photovoltaic panel is usually：Using nobody
Machine carries the heating region of infrared video camera collection photovoltaic panel, and the performance of photovoltaic panel is carried out according to the heat condition of heating region
Judge.If element short situation in photovoltaic panel be present, element is warmmer, the now thermal imaging of photovoltaic panel and normal thermal imaging difference
It is very big；If element breaking (loose contact) in photovoltaic panel be present, flow through that the current value of element is almost nil, the temperature of element compared with
Low during normal work, the thermal imaging of its photovoltaic panel and normal thermal imaging difference are also larger.This makes it possible to judge that photovoltaic panel is
It is no short circuit or open circuit fault to be present.
But in actual use, when photovoltaic panel early period of origination failure, the difference of its thermal imaging and normal thermal imaging is not
Substantially, it is difficult to be detected.It can be seen that the existing online fault detection method of photovoltaic panel can not find the initial stage of photovoltaic panel in time
Failure, the failure early warning of photovoltaic panel can not be provided the user.
The content of the invention
In view of this, it is an object of the invention to provide a kind of photovoltaic panel on-line fault monitoring apparatus and system, with timely
It was found that the incipient failure of photovoltaic panel, the photovoltaic panel of damage is quickly and accurately positioned.
In a first aspect, the embodiments of the invention provide a kind of photovoltaic panel on-line fault monitoring device, the light applied to series connection
Plate group is lied prostrate, the photovoltaic panel on-line fault monitoring device includes controller, and the multiple electricity being connected respectively with the controller
Press detection module, current detection module and communication module；
Each voltage detection module is connected with multiple photovoltaic panels in the photovoltaic panel group respectively, each for detecting
The voltage data of the photovoltaic panel, and the voltage data is sent to the controller；The current detection module with it is described
Photovoltaic panel group connects, and is sent for detecting the current data of the photovoltaic panel group, and by the current data to the controller；
The controller is used to carry out failure anticipation according to each voltage data of reception and the current data, obtains
Result is prejudged to failure, and the voltage data, the current data and the failure anticipation result are passed through into the communication mould
Block is sent to monitor terminal.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, institute
Stating photovoltaic panel on-line fault monitoring device includes 3 voltage detection modules, each voltage detection module respectively with institute
State 8 photovoltaic panels connection in photovoltaic panel group.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein, institute
Stating photovoltaic panel on-line fault monitoring device also includes voltage sample joint, and the voltage sample joint is used to replace the photovoltaic panel
Between connector male shell；
The voltage detection module is connected with multiple photovoltaic panels respectively by the voltage sample joint.
With reference to second of possible embodiment of first aspect, the embodiments of the invention provide the third of first aspect
Possible embodiment, wherein, the voltage sample joint includes housing and probe connection；
The housing is identical with the shape of the male shell；The case top is provided with opening, in the opening
The housing is detachably connected with the probe connection；
Elastic probe is fixed with the probe connection, one end connection of the elastic probe is in the housing
The metal lock pin of connector, the other end connect the voltage detection module.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind
Possible embodiment, wherein, use and be threadedly coupled between the housing and the probe connection；The housing and the spy
The junction of pin connector is additionally provided with sealing ring.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 5th of first aspect kind, wherein, institute
State the camera that photovoltaic panel on-line fault monitoring device also includes being connected with the controller；
The controller is additionally operable to after receiving the video acquisition signal that the monitor terminal is sent, and starts the shooting
Head；The camera is used for the video image for shooting the photovoltaic panel group, and the video image is sent to the controller；Institute
Controller is stated to be additionally operable to that the video image is uploaded into the monitor terminal by the communication module.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 6th of first aspect kind, wherein, institute
Stating photovoltaic panel on-line fault monitoring device also includes audible-visual annunciator, and the audible-visual annunciator is connected with the controller.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 7th of first aspect kind, wherein, institute
State communication module include bluetooth communication, ethernet communication module, gsm communication module, one kind in GPRS communication modules or
It is a variety of.
Second aspect, the embodiment of the present invention also provide a kind of photovoltaic panel on-line fault monitoring system, including monitor terminal with
And the photovoltaic panel on-line fault monitoring device as described in above-mentioned first aspect and its any possible embodiment；
The photovoltaic panel on-line fault monitoring device communicates to connect with the monitor terminal.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, institute
Stating photovoltaic panel on-line fault monitoring system also includes trunk desk；
The photovoltaic panel on-line fault monitoring device is communicated to connect by the trunk desk and the monitor terminal.
The embodiment of the present invention brings following beneficial effect：
In the embodiment of the present invention, photovoltaic panel on-line fault monitoring device is applied to the photovoltaic panel group of series connection, including controller,
And multiple voltage detection modules, current detection module and the communication module being connected respectively with controller；Each voltage detecting mould
Block is connected with multiple photovoltaic panels in photovoltaic panel group respectively, for detecting the voltage data of each photovoltaic panel, and by voltage data
Send to controller；Current detection module is connected with photovoltaic panel group, for detecting the current data of photovoltaic panel group, and by electric current number
According to transmission to controller；Controller is used to carry out failure anticipation according to each voltage data and current data of reception, obtains event
Barrier anticipation result, and voltage data, current data and failure anticipation result are sent to monitor terminal by communication module.Work as light
Its voltage can reduce when volt plate breaks down, therefore whether may determine that each photovoltaic panel according to the voltage data of each photovoltaic panel
Break down；Current impulse can be produced when loose contact between photovoltaic panel, therefore can be according to the current data of photovoltaic panel group
Judge to whether there is virtual connection failure between photovoltaic panel.Photovoltaic panel on-line fault monitoring apparatus and system provided by the invention, passes through
The voltage data of each photovoltaic panel and the current data of photovoltaic panel group are obtained, the failure anticipation knot of photovoltaic panel group can be automatically generated
Fruit, user can check that the voltage data, current data and failure prejudge result by monitor terminal, so as to find in time
The incipient failure of photovoltaic panel, and it is quickly and accurately positioned the photovoltaic panel of damage.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of photovoltaic panel on-line fault monitoring device provided in an embodiment of the present invention；
Fig. 2 is the connection diagram of a kind of voltage detection module provided in an embodiment of the present invention and photovoltaic panel；
Fig. 3 is the structural representation of another photovoltaic panel on-line fault monitoring device provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of photovoltaic panel on-line fault monitoring system provided in an embodiment of the present invention.
Icon：
101- controllers；102- voltage detection modules；103- current detection modules；104- communication modules；105- cameras；
106- audible-visual annunciators；41- photovoltaic panel on-line fault monitoring devices；42- monitor terminals；43- trunk desks.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The current existing online fault detection method of photovoltaic panel can not find the incipient failure of photovoltaic panel in time, can not be to use
Family provides the failure early warning of photovoltaic panel.Based on this, a kind of photovoltaic panel on-line fault monitoring dress provided in an embodiment of the present invention
Put and system, the incipient failure of photovoltaic panel can be found in time, be quickly and accurately positioned the photovoltaic panel of damage.
For ease of understanding the present embodiment, first to the online failure of a kind of photovoltaic panel disclosed in the embodiment of the present invention
Monitoring device describes in detail.
Embodiment one：
Fig. 1 is a kind of structural representation of photovoltaic panel on-line fault monitoring device provided in an embodiment of the present invention, the photovoltaic
Plate on-line fault monitoring device is applied to the photovoltaic panel group of series connection, as shown in figure 1, the photovoltaic panel on-line fault monitoring device includes
Controller 101, and multiple voltage detection modules 102, current detection module 103 and the communication being connected respectively with controller 101
Module 104.
Fig. 2 is the connection diagram of a kind of voltage detection module provided in an embodiment of the present invention and photovoltaic panel, such as Fig. 2 institutes
Show, each voltage detection module 102 is connected with multiple photovoltaic panels in photovoltaic panel group respectively, for detecting the electricity of each photovoltaic panel
Data are pressed, and voltage data is sent to controller 101, wherein, the voltage data of each photovoltaic panel includes multiple magnitudes of voltage；Electricity
Stream detection module 103 is connected with photovoltaic panel group, is sent for detecting the current data of photovoltaic panel group, and by current data to control
Device 101；Controller 101 is used to carry out failure anticipation according to each voltage data and current data of reception, obtains failure anticipation
As a result, and by voltage data, current data and failure anticipation result sent by communication module 104 to monitor terminal.
Specifically, in a possible embodiment, each difference of voltage detection module 102 8 photovoltaic panels in parallel, simultaneously
The voltage data of 8 photovoltaic panels is detected respectively.The photovoltaic panel of 22 to 24 series connection, therefore electricity are generally comprised in view of photovoltaic panel group
It can be 3 to press detection module 102, be so sufficient for use demand.Voltage detection module 102 includes：Address scrambler and
Data transmission module.Address scrambler is used to determine the address code of itself；Data transmission module respectively with address scrambler and control
Device 101 processed connects, for obtaining the address code of voltage detection module 102 from address scrambler, and by the voltage data of detection and
Address code is sent to controller 101.So, the voltage data that monitor terminal receives is corresponding with the ground of voltage detection module 102
Location code, user can according to corresponding to address code determines voltage data photovoltaic panel.
Current detection module 103 is connected with photovoltaic panel group, for detecting the current data of photovoltaic panel group, the current data bag
Include multiple current values changed over time.Communication module 104 includes bluetooth communication, ethernet communication module, GSM
(Global System for Mobile communication, global system for mobile communications) communication module, GPRS
One or more in (General Packet Radio Service, general packet radio service technology) communication module.
Controller 101 can be microcontroller, for receiving above-mentioned voltage data and current data with address code.Examine
Considering its voltage when photovoltaic panel breaks down can reduce, and current impulse can be produced when loose contact between photovoltaic panel, therefore
Controller 101 is additionally operable to judge whether each photovoltaic panel breaks down according to each voltage data, according to the current data of reception
Judge to whether there is virtual connection failure between photovoltaic panel, generation failure anticipation result, and by the voltage data with address code, electric current
Data and failure anticipation result are sent to monitor terminal by communication module 104.So, user can be checked by monitor terminal
The voltage data, current data and failure anticipation result, so as to find the incipient failure of photovoltaic panel in time, and it is quick accurate
Really position the photovoltaic panel of damage.
It should be noted that controller 101 and communication module 104 can be single resolution element, or collection
Into in a unit.Above-mentioned monitor terminal can be the Control Room of fixed location, or mobile phone, tablet personal computer, notes
The mobile terminals such as this computer, is not construed as limiting here.
In the embodiment of the present invention, photovoltaic panel on-line fault monitoring device is applied to the photovoltaic panel group of series connection, including controller,
And multiple voltage detection modules, current detection module and the communication module being connected respectively with controller；Each voltage detecting mould
Block is connected with multiple photovoltaic panels in photovoltaic panel group respectively, for detecting the voltage data of each photovoltaic panel, and by voltage data
Send to controller；Current detection module is connected with photovoltaic panel group, for detecting the current data of photovoltaic panel group, and by electric current number
According to transmission to controller；Controller is used to carry out failure anticipation according to each voltage data and current data of reception, obtains event
Barrier anticipation result, and voltage data, current data and failure anticipation result are sent to monitor terminal by communication module.Work as light
Its voltage can reduce when volt plate breaks down, therefore whether may determine that each photovoltaic panel according to the voltage data of each photovoltaic panel
Break down；Current impulse can be produced when loose contact between photovoltaic panel, therefore can be according to the current data of photovoltaic panel group
Judge to whether there is virtual connection failure between photovoltaic panel.Photovoltaic panel on-line fault monitoring device provided by the invention, it is each by obtaining
The voltage data of individual photovoltaic panel and the current data of photovoltaic panel group, the failure anticipation result of photovoltaic panel group can be automatically generated, is used
Family can check that the voltage data, current data and failure prejudge result by monitor terminal, so as to find photovoltaic in time
The incipient failure of plate, and it is quickly and accurately positioned the photovoltaic panel of damage.
Further, it is contemplated that photovoltaic panel quantity is more in solar photovoltaic generation system, using traditional four-way connection
Connect voltage detection module 102 and cost during photovoltaic panel is higher, the embodiment of the present invention also provides a kind of voltage sample joint, the electricity
Pressure sampling joint is used for the male shell for replacing the connector between photovoltaic panel；Voltage detection module 102 passes through the voltage sample
Joint is connected with multiple photovoltaic panels respectively.Due to only needing to replace male shell, it is not necessary to the internal lock pin of increase, therefore the voltage
Sampling joint can not need grafting four-way connection when assembling the photovoltaic panel on-line fault monitoring device in addition with cost-effective,
Therefore original associated component, such as adapter connector are not damaged.
Specifically, voltage sample joint includes housing and probe connection, the shape of the male shell of housing and connector
It is identical；Case top is provided with opening, is detachably connected in opening housing with probe connection.For example, housing connects with probe
Threaded connection can be used between fitting：Opening is provided with internal thread, and probe connection is provided with corresponding with the internal thread
External screw thread.Elastic probe is fixed with probe connection, one end connection of elastic probe is located at the metal of the connector in housing
Lock pin, other end connection voltage detection module 102, wherein, elastic probe is made of an electrically conducting material.
Outdoor is often exposed in view of voltage sample joint, and the junction of housing and probe connection is additionally provided with sealing
Circle, the sealing ring can provide good sealing for voltage sample joint.It can so prevent rainwater or dust etc. from entering voltage
Voltage sample joint is caused damage in sampling joint.
Fig. 3 is the structural representation of another photovoltaic panel on-line fault monitoring device provided in an embodiment of the present invention, wherein,
Voltage detection module 102 is 3.As shown in figure 3, on the basis of Fig. 1, the photovoltaic panel on-line fault monitoring device also include with
The camera 105 that controller 101 connects.Controller 101 is additionally operable to after receiving the video acquisition signal that monitor terminal is sent, and is opened
Dynamic camera 105；Camera 105 can be multi-angle rotary camera, and for shooting the video image of photovoltaic panel group, this is regarded
Frequency image is sent to controller 101；Controller 101 is additionally operable to that video image is uploaded into monitor terminal by communication module 104.
That is, user by the switch of monitor terminal remote control camera 105, can obtain the video image of photovoltaic panel group, understand
The field conditions of photovoltaic panel group, and the partial fault reason by video image investigation photovoltaic panel, so can be photovoltaic
The maintenance preparation of plate provides help.Find that the foreign matters such as leaf block photovoltaic panel for example, working as, cause the generating voltage of photovoltaic panel
During reduction, it is only necessary to send someone to remove foreign matter.
Further, above-mentioned photovoltaic panel on-line fault monitoring device also includes audible-visual annunciator 106, audible-visual annunciator 106
It is connected with controller 101.Audible-visual annunciator 106 can be one, can also be corresponded with voltage detection module 102, here
It is not construed as limiting.When audible-visual annunciator 106 is one, the photovoltaic panel group of failure can be navigated to；When audible-visual annunciator 106 and electricity
When pressing the one-to-one corresponding of detection module 102, the voltage detection module 102 of corresponding failure photovoltaic panel can be navigated to.With sound and light alarm
Exemplified by device 106 corresponds with voltage detection module 102, audible-visual annunciator 106 judges some voltage detecting when controller 101
When a photovoltaic panel breaks down corresponding to module 102, alarm is sent to audible-visual annunciator corresponding to the voltage detection module 102
Instruction, audible-visual annunciator sends audible and visible alarm after receiving alarm command, convenient to prompt the maintainer position of failure photovoltaic panel
Maintainer quickly finds the photovoltaic panel of failure.
Embodiment two：
Fig. 4 is a kind of structural representation of photovoltaic panel on-line fault monitoring system provided in an embodiment of the present invention, such as Fig. 4 institutes
Show, the system includes monitor terminal 42 and the photovoltaic panel on-line fault monitoring device 41 such as above-mentioned embodiment one, and photovoltaic panel exists
Line fault monitoring device 41 communicates to connect with monitor terminal 42.
Specifically, above-mentioned monitor terminal 42 can be the Control Room of fixed location, or mobile phone, tablet personal computer, pen
Remember the mobile terminals such as this computer, is not construed as limiting here.Photovoltaic panel on-line fault monitoring device 41 is multiple, for example, 3
(shown in Fig. 4), its quantity is not construed as limiting here；Each photovoltaic panel on-line fault monitoring device 41 is used to monitor a photovoltaic panel
Group.Other user can also be analyzed the historical variations trend of the voltage data of each photovoltaic panel by monitor terminal 42,
So as to which the photovoltaic panel on-line fault monitoring system can provide initial data reference for failure early warning.
In the embodiment of the present invention, photovoltaic panel on-line fault monitoring device is applied to the photovoltaic panel group of series connection, including controller,
And multiple voltage detection modules, current detection module and the communication module being connected respectively with controller；Each voltage detecting mould
Block is connected with multiple photovoltaic panels in photovoltaic panel group respectively, for detecting the voltage data of each photovoltaic panel, and by voltage data
Send to controller；Current detection module is connected with photovoltaic panel group, for detecting the current data of photovoltaic panel group, and by electric current number
According to transmission to controller；Controller is used to carry out failure anticipation according to each voltage data and current data of reception, obtains event
Barrier anticipation result, and voltage data, current data and failure anticipation result are sent to monitor terminal by communication module.Work as light
Its voltage can reduce when volt plate breaks down, therefore whether may determine that each photovoltaic panel according to the voltage data of each photovoltaic panel
Break down；Current impulse can be produced when loose contact between photovoltaic panel, therefore can be according to the current data of photovoltaic panel group
Judge to whether there is virtual connection failure between photovoltaic panel.Photovoltaic panel on-line fault monitoring system provided by the invention, it is each by obtaining
The voltage data of individual photovoltaic panel and the current data of photovoltaic panel group, the failure anticipation result of photovoltaic panel group can be automatically generated, is used
Family can check that the voltage data, current data and failure prejudge result by monitor terminal, so as to find photovoltaic in time
The incipient failure of plate, and it is quickly and accurately positioned the photovoltaic panel of damage.
When photovoltaic panel on-line fault monitoring device 41 and monitor terminal 42 are distant, as shown in figure 4, photovoltaic panel is online
Fault monitoring system also includes trunk desk 43, and photovoltaic panel on-line fault monitoring device 41 is logical by trunk desk 43 and monitor terminal 42
Letter connection.Specifically, photovoltaic panel on-line fault monitoring device 41 is communicated by wireless networking with trunk desk 43, and trunk desk 43 can be with
Monitor terminal 42 is connected to by optical cable.So, many cables of site layout project are not needed using wireless networking, assembles maintenance side
Just.
It is apparent to those skilled in the art that for convenience and simplicity of description, the photovoltaic of foregoing description
The specific work process of plate on-line fault monitoring system, it may be referred in foregoing photovoltaic panel on-line fault monitoring device embodiment
Corresponding process, it will not be repeated here.
Photovoltaic panel on-line fault monitoring system provided in an embodiment of the present invention, the photovoltaic panel provided with above-described embodiment are online
Fault monitoring device has identical technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In several embodiments provided herein, it should be understood that disclosed apparatus and system, it can be passed through
Its mode is realized.Embodiments described above is only schematical, for example, the division of the unit, is only one kind
Division of logic function, can there is other dividing mode when actually realizing, in another example, multiple units or component can combine or
Another system is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed it is mutual it
Between coupling direct-coupling or communication connection can be by some communication interfaces, the INDIRECT COUPLING or communication of device or unit
Connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of photovoltaic panel on-line fault monitoring device, it is characterised in that applied to the photovoltaic panel group of series connection, the photovoltaic panel exists
Line fault monitoring device includes controller, and multiple voltage detection modules, the current detecting being connected respectively with the controller
Module and communication module；
Each voltage detection module is connected with multiple photovoltaic panels in the photovoltaic panel group respectively, each described for detecting
The voltage data of photovoltaic panel, and the voltage data is sent to the controller；The current detection module and the photovoltaic
Plate group connects, and is sent for detecting the current data of the photovoltaic panel group, and by the current data to the controller；
The controller is used to carry out failure anticipation according to each voltage data of reception and the current data, obtains event
Barrier anticipation result, and the voltage data, the current data and the failure anticipation result are sent out by the communication module
Deliver to monitor terminal.
2. photovoltaic panel on-line fault monitoring device according to claim 1, it is characterised in that the online failure of photovoltaic panel
Monitoring device includes 3 voltage detection modules, each voltage detection module respectively with 8 in the photovoltaic panel group
Photovoltaic panel connects.
3. photovoltaic panel on-line fault monitoring device according to claim 1, it is characterised in that the online failure of photovoltaic panel
Monitoring device also includes voltage sample joint, and the voltage sample joint is used for the public affairs for replacing the connector between the photovoltaic panel
Head shell；
The voltage detection module is connected with multiple photovoltaic panels respectively by the voltage sample joint.
4. photovoltaic panel on-line fault monitoring device according to claim 3, it is characterised in that the voltage sample joint bag
Include housing and probe connection；
The housing is identical with the shape of the male shell；The case top is provided with opening, described in the opening
Housing is detachably connected with the probe connection；
Elastic probe is fixed with the probe connection, one end connection of the elastic probe is located at the connection in the housing
The metal lock pin of device, the other end connect the voltage detection module.
5. photovoltaic panel on-line fault monitoring device according to claim 4, it is characterised in that the housing and the probe
Using threaded connection between connector；The junction of the housing and the probe connection is additionally provided with sealing ring.
6. photovoltaic panel on-line fault monitoring device according to claim 1, it is characterised in that the online failure of photovoltaic panel
Monitoring device also includes the camera being connected with the controller；
The controller is additionally operable to after receiving the video acquisition signal that the monitor terminal is sent, and starts the camera；Institute
The video image that camera is used to shoot the photovoltaic panel group is stated, the video image is sent to the controller；The control
Device processed is additionally operable to that the video image is uploaded into the monitor terminal by the communication module.
7. photovoltaic panel on-line fault monitoring device according to claim 1, it is characterised in that the online failure of photovoltaic panel
Monitoring device also includes audible-visual annunciator, and the audible-visual annunciator is connected with the controller.
8. photovoltaic panel on-line fault monitoring device according to claim 1, it is characterised in that the communication module includes indigo plant
One or more in tooth communication module, ethernet communication module, gsm communication module, GPRS communication modules.
9. a kind of photovoltaic panel on-line fault monitoring system, it is characterised in that including monitor terminal and such as above-mentioned claim 1-8
Any one of photovoltaic panel on-line fault monitoring device；
The photovoltaic panel on-line fault monitoring device communicates to connect with the monitor terminal.
10. photovoltaic panel on-line fault monitoring system according to claim 9, it is characterised in that photovoltaic panel event online
Barrier monitoring system also includes trunk desk；
The photovoltaic panel on-line fault monitoring device is communicated to connect by the trunk desk and the monitor terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104008.2A CN107819439A (en) | 2017-11-09 | 2017-11-09 | Photovoltaic panel on-line fault monitoring apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104008.2A CN107819439A (en) | 2017-11-09 | 2017-11-09 | Photovoltaic panel on-line fault monitoring apparatus and system |
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| CN107819439A true CN107819439A (en) | 2018-03-20 |
Family
ID=61608876
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|---|---|---|---|
| CN201711104008.2A Pending CN107819439A (en) | 2017-11-09 | 2017-11-09 | Photovoltaic panel on-line fault monitoring apparatus and system |
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Cited By (1)
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