CN207427086U - Photovoltaic panel failure detector and system - Google Patents
Photovoltaic panel failure detector and system Download PDFInfo
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- CN207427086U CN207427086U CN201721493005.8U CN201721493005U CN207427086U CN 207427086 U CN207427086 U CN 207427086U CN 201721493005 U CN201721493005 U CN 201721493005U CN 207427086 U CN207427086 U CN 207427086U
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- 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
Abstract
The utility model provides a kind of photovoltaic panel failure detector and system, it is related to fault detection technique field, applied to the photovoltaic panel group of series connection, photovoltaic panel failure detector includes controller and the multiple voltage detection modules, current detection module and the communication module that are connected respectively with controller；Each voltage detection module is connected one to one by four-way connection and each photovoltaic panel in photovoltaic panel group, for detecting the voltage data of photovoltaic panel, and voltage data is sent to controller；Current detection module is connected with photovoltaic panel group, for detecting the current data of photovoltaic panel group, and current data is sent to controller；Controller passes through communication module and is sent to mobile terminal for receiving each voltage data and current data.Photovoltaic panel failure detector provided by the utility model and system can improve fault detection efficiency, reduce influence of the detection process to power benefit.
Description
Technical field
The utility model is related to fault detection technique fields, more particularly, to a kind of photovoltaic panel failure detector and are
System.
Background technology
Photovoltaic panel component is the power generator that a kind of exposure will generate 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 fault detect to photovoltaic panel is usually：Solar power generation is supervised
Control carries out fault location centrally through monitor and control facility, and Site Detection personnel in place, organize after photovoltaic panel powers off to each by certain by positioning
A photovoltaic panel is detected one by one, and replaces the photovoltaic panel to break down.
Solar photovoltaic generation system has monitor and control facility, but can only navigate to each group of photovoltaic panel, it is impossible to which be detected
One photovoltaic panel breaks down, and when site examining and repairing must carry out outage detection, investigate one by one, and the repair method is cumbersome, inspection
It is low to survey efficiency；And with the increasingly increase of photovoltaic panel, the workload of service personnel can be increasing, and which not only adds labor
Power cost has more seriously affected the power benefit of solar power generation company.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of photovoltaic panel failure detector and system, to improve
Fault detection efficiency reduces influence of the detection process to power benefit.
In a first aspect, the utility model embodiment provides a kind of photovoltaic panel failure detector, the light applied to series connection
Plate group is lied prostrate, the photovoltaic panel failure detector includes controller and the multiple voltages being connected respectively with controller inspection
Survey module, current detection module and communication module；
Each voltage detection module is corresponded by each photovoltaic panel in four-way connection and the photovoltaic panel group
Connection, for detecting the voltage data of the photovoltaic panel, and is sent to the controller by the voltage data；The electric current inspection
It surveys module to be connected with the photovoltaic panel group, for detecting the current data of the photovoltaic panel group, and the current data be sent
To the controller；
The controller is sent out for receiving each voltage data and the current data by the communication module
It send to mobile terminal.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the controller is additionally operable to judge whether each photovoltaic panel breaks down according to each voltage data of reception,
And judged to whether there is virtual connection failure between the photovoltaic panel according to the current data of reception, and failure is prejudged into result
The mobile terminal is sent to by the communication module.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein, the controller includes calculator connected in sequence, comparator and fault diagnosis module；
The calculator is used to calculate the average voltage level of each voltage data, and calculates each average voltage
The voltage difference of maximum average voltage level and each average voltage level in value；The comparator is used for the voltage
Whether difference is in the range of default voltage difference；The fault diagnosis module is used for when the voltage difference is not in default electricity
When in the range of pressure difference, determine that the corresponding photovoltaic panel of the voltage difference breaks down；
The calculator is additionally operable to calculate the current differential of front and rear current value in the current data；The comparator is also used
In the current differential whether in the range of default current differential；The fault diagnosis module is additionally operable to when the electric current
When difference is not in the range of the current differential, determine that there are virtual connection failures between the photovoltaic panel.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein, the photovoltaic panel failure detector further includes audible-visual annunciator, the audible-visual annunciator
It is connected with the controller.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, each voltage detection module includes：Address scrambler and data transmission module；
Described address encoder is used to determine the address code of itself；The data transmission module encodes respectively with described address
Device is connected with the controller.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, the photovoltaic panel failure detector includes 24 voltage detection modules.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, the communication module includes one in bluetooth communication, ethernet communication module, gsm communication module, GPRS communication modules
Kind is a variety of.
Second aspect, the utility model embodiment also provide a kind of photovoltaic panel fault detection system, including mobile terminal with
And the photovoltaic panel failure detector as described in above-mentioned first aspect and its any possible embodiment；
The photovoltaic panel failure detector is connected with the communication of mobile terminal.
With reference to second aspect, the utility model embodiment provides the first possible embodiment of second aspect,
In, the mobile terminal includes the one or more in mobile phone, tablet computer, laptop.
With reference to second aspect, the utility model embodiment provides second of possible embodiment of second aspect,
In, the mobile terminal further includes graphics module, and the graphics module is used for the voltage of each photovoltaic panel according to reception
Data draw voltage curve and draw current curve according to the current data of reception.
The utility model embodiment brings following advantageous effect：
The photovoltaic panel failure detector and system that the utility model embodiment provides, applied to the photovoltaic panel group of series connection,
Photovoltaic panel failure detector includes controller and the multiple voltage detection modules, the current detecting that are connected respectively with controller
Module and communication module；Each voltage detection module is corresponded by each photovoltaic panel in four-way connection and photovoltaic panel group to be connected
It connects, for detecting the voltage data of photovoltaic panel, and voltage data is sent to controller；Current detection module connects with photovoltaic panel group
It connects, for detecting the current data of photovoltaic panel group, and current data is sent to controller；Controller is used to receive each voltage
Data and current data, and pass through communication module and be sent to mobile terminal.So service personnel can be convenient by mobile terminal
The voltage data of each photovoltaic panel and the current data of photovoltaic panel group are checked in ground, and then can be according to the voltage data and electric current
Data judge that photovoltaic panel group whether there is failure problems.Due to detecting the voltage data of each photovoltaic panel in photovoltaic panel group simultaneously
With the current data of photovoltaic panel group, each photovoltaic panel in photovoltaic panel group need not be detected one by one, therefore improve failure inspection
Survey efficiency；Since power down process is not required in above-mentioned detection process, it can realize the on-line checking of voltage and current, therefore reduce
Influence of the detection process to power benefit.In summary, photovoltaic panel failure detector provided by the utility model and system, carry
High fault detection efficiency, reduces influence of the detection process to power benefit.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and attached drawing.
For the above-mentioned purpose of the utility model, feature and advantage is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram for photovoltaic panel failure detector that the utility model embodiment provides；
Fig. 2 is a kind of photovoltaic panel failure detector and the connection signal of photovoltaic panel group that the utility model embodiment provides
Figure；
Fig. 3 is a kind of structure diagram for controller that the utility model embodiment provides；
Fig. 4 is a kind of structure diagram for photovoltaic panel fault detection system that the utility model embodiment provides.
Icon：
101- controllers；102- voltage detection modules；103- current detection modules；104- communication modules；31- calculators；
32- comparators；33- fault diagnosis modules；41- photovoltaic panel failure detectors；42- mobile terminals.
Specific embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
All other embodiments obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Outage detection must be carried out when at present to photovoltaic panel site examining and repairing, is investigated one by one, the repair method is cumbersome, inspection
Survey efficiency is low, and based on this, the utility model embodiment provides a kind of photovoltaic panel failure detector and system, can improve event
Hinder detection efficiency, reduce influence of the detection process to power benefit.
For ease of understanding the present embodiment, first to a kind of photovoltaic panel failure disclosed in the utility model embodiment
Detection device describes in detail.
Embodiment one：
A kind of structure diagram for photovoltaic panel failure detector that Fig. 1 provides for the utility model embodiment, the photovoltaic
Plate failure detector is applied to the photovoltaic panel group of series connection, as shown in Figure 1, the photovoltaic panel failure detector includes controller
101 and the multiple voltage detection modules 102, current detection module 103 and the communication module that are connected respectively with controller 101
104。
Fig. 2 is a kind of photovoltaic panel failure detector and the connection signal of photovoltaic panel group that the utility model embodiment provides
Figure, as shown in Fig. 2, each voltage detection module 102 is corresponded by each photovoltaic panel in four-way connection and photovoltaic panel group
Connection, for detecting the voltage data of photovoltaic panel, and is sent to controller 101 by voltage data；Current detection module 103 and light
The connection of plate group is lied prostrate, for detecting the current data of photovoltaic panel group, and current data is sent to controller 101；Controller 101 is used
In each voltage data of reception and current data, and pass through communication module 104 and be sent to mobile terminal.
Specifically, it is contemplated that photovoltaic panel group generally comprises the photovoltaic panel of 22 to 24 series connection, therefore voltage detection module 102
It can be 24, can so meet use demand.Voltage detection module 102 is in parallel with corresponding photovoltaic panel, for detection light
The voltage data of plate is lied prostrate, and the voltage data with Self address code is sent to controller 101, wherein, the electricity of each photovoltaic panel
Data is pressed to include multiple voltage values.Current detection module 103 joins with photovoltaic panel string formation, for detecting the electric current number of photovoltaic panel group
According to the current data includes multiple current values changed over time.Controller 101 can be microcontroller, above-mentioned for receiving
Voltage data and current data with address code, and pass through communication module 104 and be sent to mobile terminal.Communication module 104 is wrapped
Include bluetooth communication, ethernet communication module, GSM (Global System for Mobile communication, the whole world
Mobile communication system) communication module, GPRS (General Packet Radio Service, general packet radio service technology)
One or more in communication module.It should be noted that controller 101 can be individually to separate with communication module 104
Element, or integrate in a unit.
Further, each above-mentioned voltage detection module 102 includes：Address scrambler and data transmission module.Address
Encoder is used to determine the address code of itself；Data transmission module is connected respectively with address scrambler and controller 101, for from
Address scrambler obtains the address code of voltage detection module 102, and the voltage data of detection and address code are sent to controller
101.In this way, the voltage data that mobile terminal receives is corresponding with the address code of voltage detection module 102, user can be with base area
The corresponding photovoltaic panel of the location definite voltage data of code.
Mobile terminal can be, but not limited to as electronic equipments such as mobile phone, tablet computer, laptops, and service personnel can be with
The voltage data of each photovoltaic panel and the current data of photovoltaic panel group are easily checked by mobile terminal, and then can basis
The voltage data and current data judge that photovoltaic panel group whether there is failure problems.It is each in photovoltaic panel group due to detecting simultaneously
The voltage data of photovoltaic panel and the current data of photovoltaic panel group need not detect each photovoltaic panel in photovoltaic panel group one by one,
Therefore fault detection efficiency is improved；Since power down process is not required in above-mentioned detection process, can realize voltage and current
Line detects, therefore reduces influence of the detection process to power benefit.
In the utility model embodiment, photovoltaic panel failure detector 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 one to one by four-way connection and each photovoltaic panel in photovoltaic panel group, for detecting the voltage data of photovoltaic panel,
And voltage data is sent to controller；Current detection module is connected with photovoltaic panel group, for detecting the electric current number of photovoltaic panel group
According to, and current data is sent to controller；Controller passes through communication mould for receiving each voltage data and current data
Block is sent to mobile terminal.So service personnel can easily be checked by mobile terminal the voltage data of each photovoltaic panel with
And the current data of photovoltaic panel group, and then can judge that photovoltaic panel group whether there is failure according to the voltage data and current data
Problem.It, need not due to detecting the voltage data of each photovoltaic panel and the current data of photovoltaic panel group in photovoltaic panel group simultaneously
Each photovoltaic panel in photovoltaic panel group is detected one by one, therefore improves fault detection efficiency；Due in above-mentioned detection process not
Power down process is needed, can realize the on-line checking of voltage and current, therefore reduces influence of the detection process to power benefit.It is comprehensive
Upper to understand, photovoltaic panel failure detector provided by the utility model improves fault detection efficiency, reduces detection process pair
The influence of power benefit.
In order to facilitate maintenance of the user to photovoltaic panel failure, controller noted above 101 is additionally operable to each voltage according to reception
Data judge whether each photovoltaic panel breaks down and judge to whether there is void between photovoltaic panel according to the current data of reception
Failure is connect, and failure anticipation result is sent to mobile terminal by communication module 104.It has been achieved in that oneself of photovoltaic panel failure
It is dynamic to differentiate, it is no longer necessary to which that user judges after manually reading data, so as to improve overhaul efficiency.
In a possible embodiment, Fig. 3 is a kind of structural representation for controller that the utility model embodiment provides
Figure, as shown in figure 3, controller 101 includes calculator 31 connected in sequence, comparator 32 and fault diagnosis module 33.Specifically,
When breaking down in view of photovoltaic panel, voltage value can be substantially reduced, and calculator 31 is used to calculate being averaged for each voltage data
Voltage value, and calculate the voltage difference of the maximum average voltage level in each average voltage level and each average voltage level；Compare
Whether device 32 is for comparison voltage difference in the range of default voltage difference；Fault diagnosis module 33 is used to work as voltage difference not
When in the range of default voltage difference, determine that the corresponding photovoltaic panel of voltage difference breaks down.In view of between photovoltaic panel
For connector there are during virtual connection failure, contact point can generate contact resistance, so as to cause sparking, generate current impulse, calculator 31 is also
For the current differential of front and rear current value in calculating current data；Whether comparator 32 is additionally operable to compare current differential default
In the range of current differential；Fault diagnosis module 33 is additionally operable to, when current differential is not in the range of current differential, determine photovoltaic panel
Between there are virtual connection failures.
For example, the average voltage level of the voltage data of 5 photovoltaic panels is respectively：18.2V, 18.1V, 18.1V, 14.2V and
18.0V, the then voltage difference that calculator 31 is calculated are respectively：0V、0.1V、0.1V、4V、0.2V；If default voltage difference
It is to be less than 2V more than or equal to 0V to be worth scope, then comparator 32 determines the voltage difference of the 4th photovoltaic panel not in the voltage difference model
In enclosing, fault diagnosis module 33 determines that the 4th photovoltaic panel breaks down.For another example, 6 continuous current values point in current data
Not Wei 1A, 1.2A, 5A, 1.3A, 1.1A, 6A, then the current differential that calculator 31 is calculated is respectively：-0.2A、-3.8A、
3.7A、0.2A、-4.9A；If default current differential scope is to be less than 1A more than or equal to -1A, comparator 32 determines multiple electricity
Difference is flowed not in the range of current differential, and fault diagnosis module 33 determines that there are virtual connection failures between photovoltaic panel.Such controller
101 are achieved that the automatic discrimination of failure.
Further, the quick photovoltaic panel for searching failure in scene, above-mentioned photovoltaic panel failure detector also wrap for convenience
Audible-visual annunciator is included, audible-visual annunciator is connected with controller 101.Specifically, audible-visual annunciator can be multiple, and be examined with voltage
Module 102 is surveyed to correspond, when controller 101 judges that some 102 corresponding photovoltaic panel of voltage detection module breaks down,
Alarm command is sent to the 102 corresponding audible-visual annunciator of voltage detection module, audible-visual annunciator is sent after receiving alarm command
Audible and visible alarm, to prompt the service personnel position of failure photovoltaic panel, personnel convenient to overhaul quickly find the photovoltaic panel of failure.
Embodiment two：
Fig. 4 is a kind of structure diagram for photovoltaic panel fault detection system that the utility model embodiment provides, such as Fig. 4 institutes
Show, which includes mobile terminal 42 and the photovoltaic panel failure detector 41 such as above-described embodiment one；Photovoltaic panel failure is examined
Device 41 is surveyed to communicate to connect with mobile terminal 42.
Specifically, mobile terminal 42 includes the one or more in mobile phone, tablet computer, laptop.Using above-mentioned
Photovoltaic panel fault detection system, the detection process of service personnel are as follows：After reaching scene, using four-way connection in each photovoltaic panel
The upper each voltage detection module 102 of parallel connection, a current detecting mould of connecting again in the photovoltaic panel group that multiple photovoltaic panels are composed in series
Block 103；After the completion of connection, the voltage data of each voltage detection module 102 and current detecting mould are read by mobile terminal 42
The current data of block 103；According to the voltage data and current data, the photovoltaic panel group is judged with the presence or absence of failure, and is more changed
The photovoltaic panel of raw failure and the connector there are virtual connection failure.
In the utility model embodiment, photovoltaic panel failure detector 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 one to one by four-way connection and each photovoltaic panel in photovoltaic panel group, for detecting the voltage data of photovoltaic panel,
And voltage data is sent to controller；Current detection module is connected with photovoltaic panel group, for detecting the electric current number of photovoltaic panel group
According to, and current data is sent to controller；Controller passes through communication mould for receiving each voltage data and current data
Block is sent to mobile terminal.So service personnel can easily be checked by mobile terminal the voltage data of each photovoltaic panel with
And the current data of photovoltaic panel group, and then can judge that photovoltaic panel group whether there is failure according to the voltage data and current data
Problem.It, need not due to detecting the voltage data of each photovoltaic panel and the current data of photovoltaic panel group in photovoltaic panel group simultaneously
Each photovoltaic panel in photovoltaic panel group is detected one by one, therefore improves fault detection efficiency；Due in above-mentioned detection process not
Power down process is needed, can realize the on-line checking of voltage and current, therefore reduces influence of the detection process to power benefit.It is comprehensive
Upper to understand, photovoltaic panel fault detection system provided by the utility model improves fault detection efficiency, reduces detection process pair
The influence of power benefit.
Further, in order to facilitate judgement of the user to photovoltaic panel failure, mobile terminal 42 further includes graphics module, draws
Module is used to draw voltage curve according to the voltage data of each photovoltaic panel of reception and be drawn according to the current data of reception
Current curve.In this way, voltage curve and current curve of the user according to each photovoltaic panel, can easily judge to break down
Photovoltaic panel and with the presence or absence of virtual connection failure.
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 fault detection system may be referred to corresponding in foregoing photovoltaic panel failure detector embodiment
Journey, details are not described herein.
The photovoltaic panel fault detection system that the utility model embodiment provides, the photovoltaic panel failure provided with above-described embodiment
Detection device has identical technical characteristic, so can also solve the technical issues of identical, reaches identical technique effect.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being connected directly, can also be indirectly connected by intermediary, can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.
In several embodiments provided herein, it should be understood that disclosed apparatus and system can pass through it
Its mode is realized.System embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function can have other dividing mode in actual implementation, in another example, multiple units or component can combine
Or it is desirably integrated into another system or some features can be ignored or does not perform.Another, shown or discussed phase
Coupling, direct-coupling or communication connection between mutually can be by some communication interfaces, the INDIRECT COUPLING of device or unit or
Communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple
In network element.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 utility model can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units integrate in a unit.
Finally it should be noted that：Embodiment described above is only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
It, still can be to the skill recorded in previous embodiment in the technical scope that the technical staff in art field discloses in the utility model
Art scheme, which is modified or can be readily occurred in, to be changed or carries out equivalent substitution to which part technical characteristic；And these modifications,
Variation is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of the utility model embodiment technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model described should be wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of photovoltaic panel failure detector, which is characterized in that applied to the photovoltaic panel group of series connection, the photovoltaic panel failure inspection
Surveying device includes controller and the multiple voltage detection modules being connected respectively with the controller, current detection module and leads to
Believe module；
Each voltage detection module is connected one to one by four-way connection and each photovoltaic panel in the photovoltaic panel group,
For detecting the voltage data of the photovoltaic panel, and the voltage data is sent to the controller；The current detecting mould
Block is connected with the photovoltaic panel group, for detecting the current data of the photovoltaic panel group, and the current data is sent to institute
State controller；
The controller is sent to for receiving each voltage data and the current data by the communication module
Mobile terminal.
2. photovoltaic panel failure detector according to claim 1, which is characterized in that the controller is additionally operable to basis and connects
Whether each photovoltaic panel that each voltage data received judges breaks down and the current data according to reception
Judge with the presence or absence of virtual connection failure between the photovoltaic panel, and by failure prejudge result be sent to by the communication module it is described
Mobile terminal.
3. photovoltaic panel failure detector according to claim 2, which is characterized in that the controller includes being sequentially connected with
Calculator, comparator and fault diagnosis module；
The calculator is used to calculate the average voltage level of each voltage data, and calculates in each average voltage level
Maximum average voltage level and each average voltage level voltage difference；The comparator is used for the voltage difference
Whether in the range of default voltage difference；The fault diagnosis module is used for when the voltage difference is not in default voltage difference
When in the range of value, determine that the corresponding photovoltaic panel of the voltage difference breaks down；
The calculator is additionally operable to calculate the current differential of front and rear current value in the current data；The comparator is additionally operable to compare
Whether the current differential is in the range of default current differential；The fault diagnosis module is additionally operable to when the current differential
When not in the range of the current differential, determine that there are virtual connection failures between the photovoltaic panel.
4. photovoltaic panel failure detector according to claim 2, which is characterized in that the photovoltaic panel failure detector
Audible-visual annunciator is further included, the audible-visual annunciator is connected with the controller.
5. photovoltaic panel failure detector according to claim 1, which is characterized in that each voltage detection module bag
It includes：Address scrambler and data transmission module；
Described address encoder is used to determine the address code of itself；The data transmission module respectively with described address encoder and
The controller connection.
6. photovoltaic panel failure detector according to claim 1, which is characterized in that the photovoltaic panel failure detector
Including 24 voltage detection modules.
7. photovoltaic panel failure detector according to claim 1, which is characterized in that the communication module is led to including bluetooth
Believe the one or more in module, ethernet communication module, gsm communication module, GPRS communication modules.
8. a kind of photovoltaic panel fault detection system, which is characterized in that including mobile terminal and as appointed in the claims 1-7
Photovoltaic panel failure detector described in one；
The photovoltaic panel failure detector is connected with the communication of mobile terminal.
9. photovoltaic panel fault detection system according to claim 8, which is characterized in that the mobile terminal include mobile phone,
One or more in tablet computer, laptop.
10. photovoltaic panel fault detection system according to claim 8, which is characterized in that the mobile terminal, which further includes, to be painted
Module, the graphics module are used to draw voltage curve, Yi Jigen according to the voltage data of each photovoltaic panel of reception
Current curve is drawn according to the current data of reception.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721493005.8U CN207427086U (en) | 2017-11-09 | 2017-11-09 | Photovoltaic panel failure detector and system |
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| CN201721493005.8U CN207427086U (en) | 2017-11-09 | 2017-11-09 | Photovoltaic panel failure detector and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659265A (en) * | 2017-11-09 | 2018-02-02 | 陆刚 | Photovoltaic panel failure detector and system |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659265A (en) * | 2017-11-09 | 2018-02-02 | 陆刚 | Photovoltaic panel failure detector and system |
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