CN108023544A - A kind of intelligent safety monitoring for photovoltaic generating module protects system and method - Google Patents
A kind of intelligent safety monitoring for photovoltaic generating module protects system and method Download PDFInfo
- Publication number
- CN108023544A CN108023544A CN201810088274.9A CN201810088274A CN108023544A CN 108023544 A CN108023544 A CN 108023544A CN 201810088274 A CN201810088274 A CN 201810088274A CN 108023544 A CN108023544 A CN 108023544A
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- safety
- photovoltaic
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- monitoring unit
- module
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims description 13
- 238000004891 communication Methods 0.000 claims abstract description 42
- 238000010248 power generation Methods 0.000 claims abstract description 8
- 230000002159 abnormal effect Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
-
- H02J13/0075—
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of intelligent safety monitoring for photovoltaic generating module in field of photovoltaic power generation to protect system, including some correspondences to be connected to the monitoring unit on photovoltaic module, and monitoring unit includes：Current/voltage sensor, safety governor, Safety actuator circuit, wireless communication module and security system power supply, current/voltage sensor, Safety actuator circuit are electrically connected with photovoltaic module, current/voltage sensor, Safety actuator circuit are electrically connected with safety governor, wireless communication module is electrically connected with safety governor, the present invention improves the operation stability and reliability of whole photovoltaic generating system, prevent at the same time due to the security risk for the electric shock that photovoltaic circuit produces high pressure and is brought to specific personnel on the scene, available in solar power generation.
Description
Technical field
Protect system the present invention relates to a kind of photovoltaic generating module, more particularly to a kind of photovoltaic generating module protection system and
Method.
Background technology
In recent years, photovoltaic microgrid is quickly grown, and gird-connected inverter is usually required in photovoltaic microgrid system by photovoltaic
The tributary electrical power conversion that electricity generation system obtains is into alternating electromotive force that can be grid-connected, and a series of photovoltaic module connection in series-parallel are into photovoltaic array
It is unified that DC terminal power supply is provided.
In actual moving process, due to the factors such as shadow occlusion, dirt, solar panel aging, the event of each photovoltaic module
Barrier damage, which can give the security of whole electricity generation system to bring, significantly to be influenced.It is whole in order to solve the problems, such as, generally declined using distribution
Inverter directly increases switch photovoltaic module circuit function to realize.It is distributed the inverter that declines and directly works in each photovoltaic module
And the optimization of electric power output is substantially carried out, for example MPPT maximum power point tracking is carried out, so that each direct current photovoltaic module produces most
Big energy., can not be reliable but such cost is very high, and without communication and information interchange between its each photovoltaic module circuit
The switching signal for realizing central controller to each photovoltaic module totally tansitive.Meanwhile photovoltaic circuit can produce higher electricity
Pressure, to the installation of system, maintenance, and some specific personnel on the scene such as firefighters bring the security threat of electric shock.
The content of the invention
The object of the present invention is to provide a kind of intelligent safety monitoring for photovoltaic generating module to protect system and method, solution
The inconvenient and failure that certainly communicates in the prior art between each photovoltaic module is not easy to find to solve the problems, such as.
The object of the present invention is achieved like this：A kind of intelligent safety monitoring for photovoltaic generating module protect system and
Method, the monitoring unit being connected to the system comprises some correspondences on photovoltaic module, the monitoring unit include：
Current/voltage sensor, is responsible for the electric current of real-time collecting photovoltaic module and voltage condition and enters information into and give safety control
Device processed；
Safety governor, according to curtage it is abnormal whether do further security control, if detect abnormal current or
Voltage, safety governor can drive Safety actuator to make this photovoltaic module enter safe mode state, isolate abnormal current or
Voltage；
Safety actuator circuit, instructs according to the different driving of safety governor, to close this photovoltaic module circuit, open this
Photovoltaic module circuit makes it into security isolation state；
Wireless communication module, to realize the information interchange and transmission of neighbouring monitoring unit；
Security system power supply, is realized independent without interruption power supply, there is provided give using the power generation and rechargeable battery of this photovoltaic module
Needed for monitoring unit work；
The current/voltage sensor, Safety actuator circuit are electrically connected with photovoltaic module, current/voltage sensor, peace
Full drive circuit is electrically connected with safety governor, and the wireless communication module is electrically connected with safety governor；
It the described method comprises the following steps：
Step 1）It is each to perform in the cycle, the signal of safety governor monitoring current/voltage sensor transmission and it is received in
Entreat the control signal of controller；
Step 2）If not finding curtage exception, and it is not subject to the shutdown signal of central controller, then returns
Previous step starts the new execution cycle；
Step 3）If it find that curtage exception or the shutdown signal of central controller is received, safety governor driving peace
Full driver isolates corresponding photovoltaic module circuit, makes it into safe mode, and protect using corresponding circuit break and short circuit
Shield ensures that this photovoltaic circuit will not produce the voltage or electric current for having threat to personnel；
Step 4）Then safety governor prompts the photovoltaic circuit to be in safety using wireless communication device to send information warning
Pattern and closed mode；
Step 5）If being abnormal and closing, then maintenance needs wait, and failure can be prompted to determine using wireless communication module
Position, shutdown safe mode ensure danger of the maintenance personal from electric shock；
Step 6）After maintenance, if wireless communication module receives the open signal of central controller, safety governor is first
This photovoltaic module circuit partially self-checking is carried out, it is without exception to confirm that electricity-generating circuit has, if exception, comes back to step 4）；
Step 7）If self-checking circuit is without exception, safety governor is incorporated to it using Safety actuator to turn on this photovoltaic module
Electricity generation system；
Step 8）Then safety governor prompts this photovoltaic circuit to be in normal using wireless communication module to send prompt message
Generating state.
Further as the present invention limits, and further includes central controller, realizes and communicate with monitoring unit, it is single to obtain monitoring
The data that member monitors, while transmittable control signal gives monitoring unit control photovoltaic module work.
Further as the present invention limits, and the communication mode between the central controller and monitoring unit includes：In
Centre controller can directly communicate with monitoring unit, also can first single monitoring unit communicate, then the monitoring by closing on
Communicate between unit.
Further as the present invention limits, and the Safety actuator can include by-pass switch, blocking diode circuit,
Disconnect switch, short switch, according to different monitoring needs, safety governor is realized to photovoltaic by Safety actuator circuit
The security control of assembly circuit.
Further as the present invention limits, and radio frequency sound wave or magnetic field can be selected to carry out data in the wireless communication module
Communication, radio frequency sound wave can be used to the safe mode state of warning photovoltaic module, to prompt specific personnel on the scene.
Further as the present invention limits, and the communication means of the central controller and monitoring unit is specially：
Step a）Monitoring unit receives to close on the control information that unit is sent；
Step b）Judge whether it is Central control signals, continue to receive information if it is not, returning to previous step；
Step c）If Central control signals, according to included in signal ID signals come further determine whether be on this
The corresponding control signal of component；
Step d）If the control signal on this component, then this component, and profit are turned on and off according to control signal content
The state of this component of signal prompt is provided with wireless communication device, while does not transmit this Central control signals further；
Step e）If not the control signal on this component, then neighbouring other groups are given using wireless communication device release information
Part is to continue to transmit this control signal, untill target element receives this signal；
Step f）Continue next execution cycle.
Compared with prior art, the beneficial effects of the present invention are the present invention can monitor the peace of photovoltaic electrification component in real time
Total state, and realize by wireless telecommunications according to each photovoltaic electrification component actual motion state the letter between each monitoring system
Breath exchanges, and thus carrys out the operation of global optimization system, prevent to greatest extent due to indivedual photovoltaic electrification component catastrophic failures and
Cause whole electricity generation system to work as machine, so as to improve the operation stability and reliability of whole photovoltaic generating system, while prevent by
The security risk for the electric shock for producing high pressure in photovoltaic circuit and specific personnel on the scene being brought.The present invention can be used for solar power generation
In.
Brief description of the drawings
Fig. 1 protects system to be connected cooperation schematic diagram with photovoltaic module for intelligent safety monitoring in the present invention.
Fig. 2 is monitoring unit principle schematic diagram in the present invention.
Fig. 3 is Intelligent safety controller in the present invention and Safety actuator circuit connection diagram.
Fig. 4 is intelligent safety monitoring guard method flow chart in the present invention.
Fig. 5 is the communication means flow chart of central controller and monitoring unit in the present invention.
Fig. 6 is wireless communication module communication scheme in the present invention.
Fig. 7 is unprotected photovoltaic component system structure diagram in the present invention.
Embodiment
The present invention is directed security monitoring and protection to photovoltaic system electrification component, unprotected photovoltaic component system
Structure diagram is as shown in fig. 7, electricity-generating circuit has multiple photovoltaic string formations to be together in series unanimously and supplies direct current to inverter, if single
Photovoltaic module breaks down, and can be brought to system whole efficiency significantly influences, and fault location is difficult, cause system maintenance into
This height.
Security monitoring and protection system proposed by the present invention dedicated for photovoltaic electrification component level is as shown in Figure 1, each
Photovoltaic module realizes real-time security monitoring and protection by a monitoring unit, and the failure of single photovoltaic module can be found in time
With processing, system whole work efficiency is not interfered with；In addition each monitoring unit can communicate with one another, if necessary as router
To transmit Central control signals, such as switching signal step by step.
As shown in Fig. 2, the monitoring unit includes：
Current/voltage sensor is responsible for the electric current of real-time collecting photovoltaic module and voltage condition and is entered information into security control
Device；
Safety governor according to curtage it is abnormal whether do further security control, if detecting abnormal current or electricity
Pressure, safety governor can drive Safety actuator to make this photovoltaic module enter safe mode state, isolate abnormal current or electricity
Pressure；
As shown in figure 3, the Safety actuator can include by-pass switch, blocking diode circuit, disconnect switch, short circuit opens
Close, according to different monitoring needs, safety governor realizes the safety to photovoltaic module circuit by Safety actuator circuit
Control.Instructed according to the different driving of safety governor, Safety actuator can close this photovoltaic module circuit, open this photovoltaic
Assembly circuit, or make it into security isolation state；
Wireless communication module can utilize the radio frequency of low cost, magnetic field or sound wave to realize that the information of neighbouring intelligent safety system is handed over
Stream and transmission, such as central controller send shutdown signal, this signal can pass through the mutual communication function of intelligent safety system
And each photovoltaic module is delivered to step by step.In addition, sound wave may also be used for the safe mode state of warning photovoltaic module, to carry
Show specific personnel on the scene, such as regular maintenance or fire-disaster emergency personnel；
The power generation of this photovoltaic module of security system power utilization and rechargeable battery are independent without interruption power supply to realize, there is provided to intelligence
Needed for energy security system work.
Guard method flow in the present invention is as shown in figure 4, entirely control program is performed by safety governor, specific step
It is rapid as follows：
1）Each to perform in the cycle, the signal of safety governor monitoring sensor passes and received center first controls letter
Number；
2）If not finding curtage exception, and it is not subject to center control shutdown signal, then returns to previous step
Start the new execution cycle；
3）If it find that curtage exception or receive center control shutdown signal, safety governor driving Safety actuator
Isolate this photovoltaic module circuit, make it into safe mode, and ensure this photovoltaic circuit using the protection of corresponding circuit break and short circuit
Will not produce has personnel the voltage or electric current of threat；
4）Then safety governor using wireless communication device come send information warning prompt this photovoltaic circuit be in safe mode and
Closed mode；
5）If being abnormal and closing, then maintenance needs wait, and failure can be prompted using RF wireless communication and sound wave
Positioning, shutdown safe mode ensure danger of the maintenance personal from electric shock；
6）After maintenance, if receiver receives center control open signal, safety governor carries out this photovoltaic module first
Circuit partially self-checking, it is without exception to confirm that electricity-generating circuit has, if exception, comes back to step 4）；
7）If self-checking circuit is without exception, safety governor makes it be incorporated to power generation using Safety actuator to turn on this photovoltaic module
System；
8）Then safety governor prompts this photovoltaic circuit to be in normal power generation shape using wireless communication device to send prompt message
State.
The wireless communication module of intelligent safety monitoring protection system, communication mode can be penetrated using radio in the present invention
Frequently, sound wave, or magnetic field realize that communication distance can be very short because each neighbouring monitoring unit can communicate with one another and by
Level transmits central control information.Fig. 6, which is shown monitoring unit and communicates with one another, exchanges the schematic diagram of information, shows two kinds in figure
Communication mode, one kind utilize radio frequency, another kind magnetic field signal.Fig. 5 is shown each monitor protective system and mutually passes on from one to another
Central control signals subroutine flow chart is passed, Central control signals can be open the light signal or the overall group for single component
The switching signal of string system, each safety system that monitors first determine whether it is not after the signal that neighbouring system is sent is received
It is to be directed to the control signal of oneself, if it is does corresponding switch process, if for other system, then continue with
Wireless communication module is to other system transmission, until corresponding component system receives this control signal.It is whole to perform center control
Signal process processed comprises the following steps that：
1）Receive the control information that the system of closing on is sent；
2）Judge whether it is Central control signals, continue to receive information if it is not, returning to previous step；
3）If Central control signals, further determine whether it is on this component according to ID signals included in signal
Control signal；
4）If the control signal on this component, then this component is turned on and off according to control signal content, and utilize nothing
Line communicator provides the state of this component of signal prompt, while does not transmit this Central control signals further；
5）If not the control signal on this component, then using wireless communication device release information to neighbouring other components with
Continue to transmit this control signal, untill target element receives this signal；
6）Continue next execution cycle.
Intelligent safety monitoring of the present invention protection system can also realize PC using wifi and gateway, notebook or
Control of the smart phone to whole monitoring safety system, the signal of central controller pass through gateway passes to each component
Monitoring unit.
The invention is not limited in above-described embodiment, on the basis of technical solution disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can make one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (7)
1. a kind of intelligent safety monitoring for photovoltaic generating module protects system, it is characterised in that including some corresponding connections
Monitoring unit on photovoltaic module, the monitoring unit include：
Current/voltage sensor, is responsible for the electric current of real-time collecting photovoltaic module and voltage condition and enters information into and give safety control
Device processed；
Safety governor, according to curtage it is abnormal whether do further security control, if detect abnormal current or
Voltage, safety governor can drive Safety actuator to make this photovoltaic module enter safe mode state, isolate abnormal current or
Voltage；
Safety actuator circuit, instructs according to the different driving of safety governor, to close this photovoltaic module circuit, open this
Photovoltaic module circuit makes it into security isolation state；
Wireless communication module, to realize the information interchange and transmission of neighbouring monitoring unit；
Security system power supply, is realized independent without interruption power supply, there is provided give using the power generation and rechargeable battery of this photovoltaic module
Needed for monitoring unit work；
The current/voltage sensor, Safety actuator circuit are electrically connected with photovoltaic module, current/voltage sensor, peace
Full drive circuit is electrically connected with safety governor, and the wireless communication module is electrically connected with safety governor.
2. a kind of intelligent safety monitoring for photovoltaic generating module according to claim 1 protects system, its feature exists
In, central controller is further included, realizes and communicates with monitoring unit, the data that acquisition monitoring unit monitors, while transmittable control
Signal processed gives monitoring unit control photovoltaic module work.
3. a kind of intelligent safety monitoring for photovoltaic generating module according to claim 2 protects system, its feature exists
In the communication mode between the central controller and monitoring unit includes：Central controller can directly be carried out with monitoring unit
Communication, also can first single monitoring unit communicate, then communicate between the monitoring unit by closing on.
4. a kind of intelligent safety monitoring for photovoltaic generating module according to any one of claim 1-3 protects system
System, it is characterised in that the Safety actuator can include by-pass switch, blocking diode circuit, disconnect switch, and short circuit is opened
Close, according to different monitoring needs, safety governor realizes the safety to photovoltaic module circuit by Safety actuator circuit
Control.
5. a kind of intelligent safety monitoring for photovoltaic generating module according to any one of claim 1-3 protects system
System, it is characterised in that radio frequency sound wave or magnetic field can be selected to carry out data communication in the wireless communication module, and radio frequency sound wave can use
To warn the safe mode state of photovoltaic module, to prompt specific personnel on the scene.
6. a kind of intelligent safety monitoring guard method for photovoltaic generating module, it is characterised in that comprise the following steps：
Step 1）It is each to perform in the cycle, the signal of safety governor monitoring current/voltage sensor transmission and it is received in
Entreat the control signal of controller；
Step 2）If not finding curtage exception, and it is not subject to the shutdown signal of central controller, then returns
Previous step starts the new execution cycle；
Step 3）If it find that curtage exception or the shutdown signal of central controller is received, safety governor driving peace
Full driver isolates corresponding photovoltaic module circuit, makes it into safe mode, and protect using corresponding circuit break and short circuit
Shield ensures that this photovoltaic circuit will not produce the voltage or electric current for having threat to personnel；
Step 4）Then safety governor prompts the photovoltaic circuit to be in safety using wireless communication device to send information warning
Pattern and closed mode；
Step 5）If being abnormal and closing, then maintenance needs wait, and failure can be prompted to determine using wireless communication module
Position, shutdown safe mode ensure danger of the maintenance personal from electric shock；
Step 6）After maintenance, if wireless communication module receives the open signal of central controller, safety governor is first
This photovoltaic module circuit partially self-checking is carried out, it is without exception to confirm that electricity-generating circuit has, if exception, comes back to step 4）；
Step 7）If self-checking circuit is without exception, safety governor is incorporated to it using Safety actuator to turn on this photovoltaic module
Electricity generation system；
Step 8）Then safety governor prompts this photovoltaic circuit to be in normal using wireless communication module to send prompt message
Generating state.
7. a kind of intelligent safety monitoring guard method for photovoltaic generating module according to claim 6, its feature exist
In the communication means of the central controller and monitoring unit is specially：
Step a）Monitoring unit receives to close on the control information that unit is sent；
Step b）Judge whether it is Central control signals, continue to receive information if it is not, returning to previous step；
Step c）If Central control signals, according to included in signal ID signals come further determine whether be on this
The corresponding control signal of component；
Step d）If the control signal on this component, then this component, and profit are turned on and off according to control signal content
The state of this component of signal prompt is provided with wireless communication device, while does not transmit this Central control signals further；
Step e）If not the control signal on this component, then neighbouring other groups are given using wireless communication device release information
Part is to continue to transmit this control signal, untill target element receives this signal；
Step f）Continue next execution cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088274.9A CN108023544A (en) | 2018-01-30 | 2018-01-30 | A kind of intelligent safety monitoring for photovoltaic generating module protects system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088274.9A CN108023544A (en) | 2018-01-30 | 2018-01-30 | A kind of intelligent safety monitoring for photovoltaic generating module protects system and method |
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| CN108023544A true CN108023544A (en) | 2018-05-11 |
Family
ID=62074897
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810088274.9A Pending CN108023544A (en) | 2018-01-30 | 2018-01-30 | A kind of intelligent safety monitoring for photovoltaic generating module protects system and method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261101U (en) * | 2011-09-30 | 2012-05-30 | 上海大全赛奥法电气科技有限公司 | Power optimizer and intelligent photovoltaic assembly |
| CN204465412U (en) * | 2015-03-14 | 2015-07-08 | 南昌航空大学 | A kind of photovoltaic generating system intelligentized control method complete machine device |
| CN106992550A (en) * | 2017-05-26 | 2017-07-28 | 阳光电源股份有限公司 | A kind of control device and header box |
| CN208638329U (en) * | 2018-01-30 | 2019-03-22 | 扬州华鼎电器有限公司 | A kind of intelligent safety monitoring protection system for photovoltaic generating module |
-
2018
- 2018-01-30 CN CN201810088274.9A patent/CN108023544A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261101U (en) * | 2011-09-30 | 2012-05-30 | 上海大全赛奥法电气科技有限公司 | Power optimizer and intelligent photovoltaic assembly |
| CN204465412U (en) * | 2015-03-14 | 2015-07-08 | 南昌航空大学 | A kind of photovoltaic generating system intelligentized control method complete machine device |
| CN106992550A (en) * | 2017-05-26 | 2017-07-28 | 阳光电源股份有限公司 | A kind of control device and header box |
| CN208638329U (en) * | 2018-01-30 | 2019-03-22 | 扬州华鼎电器有限公司 | A kind of intelligent safety monitoring protection system for photovoltaic generating module |
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