CN111162733A - Fault detection system of photovoltaic module - Google Patents
Fault detection system of photovoltaic module Download PDFInfo
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- CN111162733A CN111162733A CN202010178886.4A CN202010178886A CN111162733A CN 111162733 A CN111162733 A CN 111162733A CN 202010178886 A CN202010178886 A CN 202010178886A CN 111162733 A CN111162733 A CN 111162733A
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 238000010248 power generation Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims description 17
- 238000005286 illumination Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
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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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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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
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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
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- Photovoltaic Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A fault detection system of a photovoltaic module belongs to the field of photovoltaic cell manufacturing and the field of fault detection of photovoltaic power generation, and comprises a photovoltaic cell module, an information transmission module, a fault detection module and an upper computer; the information transmission module comprises a measurement module, a coding module and a component communication module, and is used for collecting the voltage and the current of the photovoltaic cell module in real time, sending the voltage and the current to the coding module for information coding and identification, and wirelessly transmitting the voltage and the current to the fault detection module by the component communication module; the fault detection module comprises a communication module and a control module; the system comprises a control module, a communication module, a data processing module and a data processing module, wherein the control module is used for receiving parameter information of the information transmission module, sending the parameter information to the control module for fault detection, judging whether a fault occurs or not, and then transmitting a detection result to an upper computer through the communication module for display; the functions of the photovoltaic cell assembly are expanded, and the operation and maintenance requirements of a large-scale photovoltaic power station are met.
Description
Technical Field
The invention relates to a fault detection system of a photovoltaic module, belonging to the field of photovoltaic cell manufacturing and the field of fault detection of photovoltaic power generation.
Background
With the urgent need of new energy application, the scale of solar photovoltaic power generation is continuously enlarged, and each link of operation, maintenance, management and the like of photovoltaic power generation urgently needs intelligent transformation and upgrading to improve efficiency and reduce cost. Therefore, the working state of each photovoltaic cell panel needs to be known accurately in real time. Although some monitoring methods exist at present, the monitoring methods are macroscopic and qualitative observation methods, for example, a human or unmanned aerial vehicle is used for macroscopic observation, and a specific measurement conjecture is combined to grasp an approximate situation. Because the measuring and monitoring workload is huge, the work cannot be finished carefully and accurately. Generally, the user can know the fault, the burning and even the development of a disaster accident of a certain battery panel only when the certain battery panel is in fault, the burning and even the development of the disaster accident, and the serious loss is caused at night. At present, all solar photovoltaic power generation components only have a single photoelectric conversion power generation function, and cannot meet the operation and maintenance requirements of large-scale photovoltaic power stations, especially the requirements of remote operation and maintenance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fault detection system of a photovoltaic module, which comprises a photovoltaic cell module, an information transmission module, a fault detection module and an upper computer; the information transmission module comprises a measurement module, a coding module and an assembly communication module; the input end of the information measurement module is connected with the output end of the photovoltaic cell module; the output end of the information measuring module is connected with the input end of the coding module; the output end of the coding module is connected with the input end of the component communication module.
The information measuring module comprises a voltage sampling module, and the information measuring module corresponding to one photovoltaic module in a group of series photovoltaic modules further comprises a current sampling module; the photovoltaic module is used for collecting the voltage and the current of the photovoltaic module in real time, sending the voltage and the current to the coding module for information coding and identification, and wirelessly transmitting the voltage and the current to the fault detection module through the module communication module.
The fault detection module comprises a communication module and a control module; the input end of the communication module is connected with the output end of the component communication module; the output end of the communication module is connected with the input end of the control module; the output end of the control module is connected with the input end of the communication module; the device is used for receiving the parameter information of the information transmission module, sending the parameter information into the control module for fault detection, judging whether a fault occurs or not, sending a detection result to the communication module, connecting the output end of the communication module with an upper computer, transmitting the fault detection result to the upper computer through the communication module, and displaying the running state of the photovoltaic cell assembly in real time through the upper computer.
The system for detecting the faults of the photovoltaic module is characterized in that the information transmission module is integrated on a wafer inside the photovoltaic cell module;
the system for detecting the faults of the photovoltaic module is characterized in that the information transmission module is embedded in the photovoltaic cell module; the photovoltaic cell module and the information transmission module are separated by a partition board in the photovoltaic cell assembly and used for not influencing the normal power generation of the photovoltaic cell module when the information transmission module breaks down.
The fault detection system of the photovoltaic module is characterized in that the information transmission module is installed outside the photovoltaic cell module.
The fault detection system of the photovoltaic module is characterized by further comprising a temperature sensor arranged on each photovoltaic module and an illumination sensor arranged near a photovoltaic power station; the information measuring module also comprises a temperature measuring module and an illumination measuring module; the output ends of the temperature measuring module and the illumination measuring module are connected with the input end of the coding module, and the real-time measured temperature and illumination values are sent to the control module through the component coding module and the coding module to carry out fault detection and judge whether faults occur.
Drawings
Fig. 1 is a fault detection system for a mounted voltage collection photovoltaic module of the present invention.
Fig. 2 is a fault detection system for a mounted voltage current collection photovoltaic module of the present invention.
Fig. 3 is a fault detection system for an integrated voltage collection photovoltaic module of the present invention.
Fig. 4 is a fault detection system for an integrated voltage current collection photovoltaic module of the present invention.
Fig. 5 is a fault detection system for an integrated temperature-harvesting photovoltaic module of the present invention.
Fig. 6 is a fault detection system for an embedded voltage collection photovoltaic module of the present invention.
Fig. 7 is a fault detection system for an embedded voltage current collection type photovoltaic module of the present invention.
Detailed Description
Embodiment 1 referring to fig. 1, a fault detection system of a photovoltaic module comprises a photovoltaic cell module, an information transmission module, a fault detection module and an upper computer; the information transmission module is arranged outside the photovoltaic cell assembly; the information transmission module comprises a measurement module, a coding module and an assembly communication module; the input end of the information measurement module is connected with the output end of the photovoltaic cell module; the output end of the information measuring module is connected with the input end of the coding module; the output end of the coding module is connected with the input end of the component communication module.
The information measurement module comprises a voltage sampling module and is used for collecting the voltage value of the photovoltaic cell module in real time, sending the voltage value to the coding module for information coding and identification, and wirelessly transmitting the voltage value to the fault detection module through the component communication module.
The fault detection module comprises a communication module and a CPU control module; the input end of the communication module is connected with the output end of the component communication module; the output end of the communication module is connected with the input end of the CPU module; the output end of the CPU module is connected with the input end of the communication module; the monitoring system is used for receiving the parameter information of the information transmission module, sending the parameter information into the CPU module for fault detection, judging whether a fault occurs or not, sending a detection result to the communication module, connecting the output end of the communication module with an upper computer, transmitting the fault detection result to the upper computer through the communication module, and displaying the running state of the photovoltaic cell assembly in real time through the upper computer.
Embodiment 2 referring to fig. 2, the information measuring module includes a voltage sampling module, and the information measuring module corresponding to one photovoltaic module in a group of photovoltaic modules connected in series further includes a current sampling module; the photovoltaic module is used for collecting the voltage and the current of the photovoltaic module in real time, sending the voltage and the current to the coding module for information coding and identification, and wirelessly transmitting the voltage and the current to the fault detection module through the module communication module. Other examples 1
In an embodiment 3, referring to fig. 3, a fault detection system of a photovoltaic module includes a photovoltaic cell module, an information transmission module, a fault detection module, and an upper computer; the connection relationship is as follows: and one information transmission module is integrated on each internal wafer of the photovoltaic cell module.
The information transmission module comprises a measurement module, a coding module and an assembly communication module;
the information measurement module comprises a voltage sampling module and is used for collecting the voltage value of the photovoltaic cell module in real time, sending the voltage value to the coding module for information coding and identification, and wirelessly transmitting the voltage value to the fault detection module through the component communication module. Other examples 1
Embodiment 4 referring to fig. 4, the information measuring module includes a voltage sampling module, and the information measuring module corresponding to one photovoltaic module in a group of photovoltaic modules connected in series further includes a current sampling module; the photovoltaic module is used for collecting the voltage and the current of the photovoltaic module in real time, sending the voltage and the current to the coding module for information coding and identification, and wirelessly transmitting the voltage and the current to the fault detection module through the module communication module. Other examples 3
Embodiment 5 referring to fig. 5, a fault detection system for photovoltaic modules is characterized by further comprising a temperature sensor disposed on each photovoltaic module and an illuminance sensor disposed near a photovoltaic power station; the information measuring module also comprises a temperature measuring module and an illumination measuring module; the output ends of the temperature measuring module and the illumination measuring module are connected with the input end of the coding module, and the real-time measured temperature and illumination values are sent to the control module through the component coding module and the coding module to carry out fault detection and judge whether a fault occurs; other examples 3
Embodiment 6 referring to fig. 6, a fault detection system of a photovoltaic module is characterized in that an information transmission module is embedded in the photovoltaic module; the photovoltaic cell module and the information transmission module are separated from the inside of the photovoltaic cell assembly through a partition plate and are used for not influencing the normal power generation of the photovoltaic cell module when the information transmission module breaks down; the information measuring module comprises a voltage sampling module. Other examples 1
Embodiment 7 referring to fig. 7, the information measuring module includes a voltage sampling module, and the information measuring module corresponding to one photovoltaic module in a group of photovoltaic modules connected in series further includes a current sampling module; other similar embodiment example 6 the communication module may be a wireless communication module.
The components, processes and letters that are not described in detail in this embodiment are well known in the art and are not described in detail herein.
Claims (4)
1. The fault detection system of the photovoltaic module is characterized by comprising a photovoltaic cell module, an information transmission module, a fault detection module and an upper computer; the information transmission module comprises a measurement module, a coding module and an assembly communication module; the input end of the information measurement module is connected with the output end of the photovoltaic cell module; the output end of the information measuring module is connected with the input end of the coding module; the output end of the coding module is connected with the input end of the component communication module;
the information measuring module comprises a voltage sampling module, and the information measuring module corresponding to one photovoltaic module in a group of series photovoltaic modules can also comprise a current sampling module; the input ends of the voltage sampling module and the current sampling module are connected with the output end of the photovoltaic cell module, and the voltage sampling module and the current sampling module are used for collecting the voltage and the current of the photovoltaic cell module in real time, transmitting the voltage and the current to the coding module for information coding and identification, and transmitting the voltage and the current to the fault detection module by the component communication module in a wireless manner;
the fault detection module comprises a communication module and a control module; the input end of the communication module is connected with the output end of the component communication module; the output end of the communication module is connected with the input end of the control module; the output end of the control module is connected with the input end of the communication module; the device is used for receiving the parameter information of the information transmission module, sending the parameter information into the control module for fault detection, judging whether a fault occurs or not, sending a detection result to the communication module, connecting the output end of the communication module with an upper computer, transmitting the fault detection result to the upper computer through the communication module, and displaying the running state of the photovoltaic cell assembly in real time through the upper computer.
2. The system of claim 1, wherein the information transmission module is integrated on the photovoltaic module inner wafer.
3. The system for detecting the faults of the photovoltaic module according to claim 1, wherein the information transmission module is embedded inside the photovoltaic cell module; the photovoltaic cell module and the information transmission module are separated by a partition board in the photovoltaic cell assembly and used for not influencing the normal power generation of the photovoltaic cell module when the information transmission module breaks down.
4. The system for detecting the faults of the photovoltaic modules is characterized by further comprising a temperature sensor arranged on each photovoltaic module and an illumination sensor arranged near a photovoltaic power station; the information measuring module also comprises a temperature measuring module and an illumination measuring module; the output ends of the temperature measuring module and the illumination measuring module are connected with the input end of the coding module, and the real-time measured temperature and illumination values are sent to the control module through the component coding module and the coding module to carry out fault detection and judge whether faults occur.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010178886.4A CN111162733A (en) | 2020-03-15 | 2020-03-15 | Fault detection system of photovoltaic module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010178886.4A CN111162733A (en) | 2020-03-15 | 2020-03-15 | Fault detection system of photovoltaic module |
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| CN111162733A true CN111162733A (en) | 2020-05-15 |
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| CN202010178886.4A Pending CN111162733A (en) | 2020-03-15 | 2020-03-15 | Fault detection system of photovoltaic module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111669119A (en) * | 2020-05-26 | 2020-09-15 | 长沙晶辉太阳能有限公司 | Photovoltaic module turn-off method and turn-off system |
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2020
- 2020-03-15 CN CN202010178886.4A patent/CN111162733A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111669119A (en) * | 2020-05-26 | 2020-09-15 | 长沙晶辉太阳能有限公司 | Photovoltaic module turn-off method and turn-off system |
| CN111669119B (en) * | 2020-05-26 | 2021-04-06 | 长沙晶辉太阳能有限公司 | Photovoltaic module turn-off method and turn-off system |
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