CN220122912U - Equipment for determining network fault range in photovoltaic power station - Google Patents
Equipment for determining network fault range in photovoltaic power station Download PDFInfo
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- CN220122912U CN220122912U CN202320761395.1U CN202320761395U CN220122912U CN 220122912 U CN220122912 U CN 220122912U CN 202320761395 U CN202320761395 U CN 202320761395U CN 220122912 U CN220122912 U CN 220122912U
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- 238000004891 communication Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides equipment for determining a network fault range in a photovoltaic power station, which relates to the technical field of photovoltaics and comprises the following steps: the device comprises a case, a main controller, a transformer, a control panel, a partition board and an indicator lamp; the main controller is arranged in the case and is used for detecting the network fault range; the control panel is arranged in the case and is used for inputting control instructions and displaying network fault information in the photovoltaic power station; the pilot lamp sets up the top of quick-witted case, works as when network fault is detected to main control unit, the pilot lamp can be bright, when network fault appears in the photovoltaic power plant, can confirm the network fault scope in the photovoltaic power plant fast to enable maintenance personal can be timely repair network fault, avoid photovoltaic power plant's loss of property.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to equipment for determining a network fault range in a photovoltaic power station.
Background
The photovoltaic power station is a power generation system which is formed by utilizing solar energy and adopting electronic elements such as a crystal silicon plate, an inverter and the like and is connected with a power grid and used for transmitting power to the power grid, the photovoltaic power generation system is divided into an independent photovoltaic system and a grid-connected photovoltaic system, the independent photovoltaic power station comprises a village power supply system in a remote area, a solar household power supply system, various photovoltaic power generation systems with storage batteries such as a communication signal power supply, a cathode protection system and a solar street lamp and can independently operate, the grid-connected photovoltaic power generation system is a photovoltaic power generation system which is connected with the power grid and used for transmitting power to the power grid, the grid-connected photovoltaic power generation system can be divided into a grid-connected power generation system with the storage batteries and a grid-connected power generation system without the storage batteries, the grid-connected power generation system with the storage batteries has schedulability, the grid-connected power generation system can be integrated into or withdrawn from the power grid as required, the grid-connected power generation system can be used as a standby power source, the photovoltaic power generation system can be used for emergency power supply when the power grid is in a power failure, the grid-connected power grid is generally installed in a residential building, the grid-connected power system without the storage batteries has the functions of scheduling and the grid-connected power generation system.
At present, a network system in a photovoltaic power station sometimes has a fault problem, but no device for quickly determining the network fault range in the photovoltaic power station is available, and the network fault is slowly checked, so that property loss of the photovoltaic power station can be caused.
Disclosure of Invention
In view of the above, the utility model provides a device for determining the network fault range in a photovoltaic power station, which solves the technical problem that the prior art does not have a device for rapidly determining the network fault range in the photovoltaic power station, and the network fault is slowly checked, so that the property loss of the photovoltaic power station can be caused.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
an apparatus for determining a network fault range in a photovoltaic power plant, comprising: the device comprises a case, a main controller, a transformer, a control panel and an indicator lamp;
the main controller is arranged in the case and is used for detecting the network fault range;
the control panel is arranged in the case and is used for inputting control instructions and displaying network fault information in the photovoltaic power station;
the indicator lamp is arranged above the case, and when the main controller detects a network fault, the indicator lamp can be lightened.
Preferably, the main controller includes: the system comprises a power supply module, a CPU module, an analog input module, an analog sampling module, a communication module, a fault detection module and an analog output module;
the analog input module is respectively and electrically connected with the analog sampling module and the communication module, and the CPU module is respectively and electrically connected with the power supply module, the analog sampling module, the communication module, the fault detection module and the analog output module.
Preferably, the transformer is arranged in the case, and the transformer is electrically connected with the analog input module.
Preferably, the analog quantity sampling module includes: the voltage analog sampling module and the current analog sampling module; the analog input module is respectively and electrically connected with the voltage analog sampling module and the current analog sampling module;
the voltage analog sampling module is used for collecting voltage signals of a network line in the photovoltaic power station;
the current analog sampling module is used for collecting current signals of network lines in the photovoltaic power station.
Preferably, the control panel is electrically connected with the CPU module, a control instruction is input on the control panel, and the CPU module responds to the control instruction.
Preferably, the main controller is electrically connected with the indicator lamp;
and if the network information acquired by the main controller fails, the indicator lamp is lightened.
Preferably, the main controller is a PLC controller.
Compared with the prior art, the utility model has the beneficial effects that: an apparatus for determining a network fault range in a photovoltaic power plant, comprising: the device comprises a case, a main controller, a transformer, a control panel, a partition board and an indicator lamp; the main controller is arranged in the case and is used for detecting the network fault range; the control panel is arranged in the case and is used for inputting control instructions and displaying network fault information in the photovoltaic power station; the pilot lamp sets up the top of quick-witted case, works as when network fault is detected to main control unit, the pilot lamp can be bright, when network fault appears in the photovoltaic power plant, can confirm the network fault scope in the photovoltaic power plant fast to enable maintenance personal can be timely repair network fault, avoid photovoltaic power plant's loss of property.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a front view of an apparatus for determining the extent of network failure in a photovoltaic power plant, provided by an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a main controller in a device for determining a network fault range in a photovoltaic power station according to an embodiment of the present utility model;
fig. 3 is a schematic flow chart of the module operation in the main controller according to the embodiment of the present utility model.
Wherein, 1, a main controller, 2, a mutual inductor, 3, a separation plate, 4, an indicator light, 5, a case, 6, a control panel, 7, a power module, 8, a CPU module, 9, an analog input module, 10, a voltage analog quantity sampling module, 11, a current analog quantity sampling module, 12, a communication module, 13, a fault detection module, 14 and an analog quantity output module.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-2, the present embodiment provides an apparatus for determining a network fault range in a photovoltaic power station, including: the device comprises a case 5, a main controller 1, a transformer 2, a control panel 6, a partition plate 3 and an indicator lamp 4;
the main controller 1 is arranged in the case 5, and the main controller 1 is used for detecting a network fault range;
the control panel 6 is arranged in the case 5, the control panel 6 is used for inputting control instructions, and the control panel 6 is also used for displaying network fault information in the photovoltaic power station;
the indicator lamp 4 is disposed above the chassis 5, and when the main controller 1 detects a network failure, the indicator lamp 4 is turned on.
An apparatus for determining a network fault range in a photovoltaic power plant, comprising: the device comprises a case, a main controller, a transformer, a control panel, a partition board and an indicator lamp; the main controller is arranged in the case and is used for detecting the network fault range; the control panel is arranged in the case and is used for inputting control instructions and displaying network fault information in the photovoltaic power station; the pilot lamp sets up the top of quick-witted case, works as when network fault is detected to main control unit, the pilot lamp can be bright, when network fault appears in the photovoltaic power plant, can confirm the network fault scope in the photovoltaic power plant fast to enable maintenance personal can be timely repair network fault, avoid photovoltaic power plant's loss of property.
Further, the control panel 6 is electrically connected with the CPU module 8, and is used for inputting control instructions on the control panel 6, and the CPU module 8 responds to the control instructions; and is also used for displaying the network information acquired by the CPU module 8.
Further, the main controller 1 is electrically connected with the indicator lamp 4;
if the network information collected by the main controller 1 fails, the indicator lamp 4 will be turned on to remind the inspector of the network failure of the photovoltaic power station.
Further, the main controller 1 is connected with a network line in a photovoltaic power station, and the main controller 1 comprises: the system comprises a power supply module 7, a CPU module 8, an analog input module 9, an analog sampling module, a communication module 12, a fault detection module 13 and an analog output module 14;
the analog quantity sampling module comprises: a voltage analog sampling module 10 and a current analog sampling module 11;
the voltage analog sampling module 10 is used for collecting voltage signals of network lines in the photovoltaic power station; the current analog sampling module 11 is used for collecting current signals of network lines in the photovoltaic power station.
The analog input module 9 is electrically connected with the voltage analog sampling module 10, the current analog sampling module 11 and the communication module 12, and the CPU module 8 is electrically connected with the power module 7, the communication module 12, the voltage analog sampling module 10, the current analog sampling module 11, the fault detection module 13 and the analog output module 14.
The power module 7 provides power for the CPU module 8, the analog input module 9, the voltage analog sampling module 10, the current analog sampling module 11, the communication module 12, the fault detection module 13 and the analog output module 14, the analog input module 9 collects network information in the photovoltaic power station, voltage information of a network line and current information of the network line, the voltage analog sampling module 10 obtains the voltage information of the network line collected by the analog input module 9, the current analog sampling module 11 obtains the current information of the network line collected by the analog input module 9, the voltage analog sampling module 10 transmits the obtained voltage information to the CPU module, and the current analog sampling module 11 transmits the obtained current information to the CPU module; the analog input module 9 transmits the acquired network information to the communication module 12, the communication module 12 transmits the acquired network information to the CPU module, the CPU module processes the network information transmitted by the communication module 12 and interacts with external network information through the communication module 12;
setting the normal range value of the voltage and the normal range value of the current of all network lines on the CPU module 8 through the control panel 6, judging that the network lines are failed when the voltage signal value acquired by the CPU module 8 is not in the normal range value of the voltage set by the control panel 6, and rapidly determining the network fault range in the photovoltaic power station, wherein the CPU module 8 sends an instruction for detecting the voltage faults of the network lines to the fault detection module 13, the voltage signals on the network lines of the fault detection module 13 are subjected to troubleshooting, when the specific position of the network lines with faults is detected, the fault detection module 13 feeds back the specific position of the fault information to the CPU module 8, the CPU module 8 transmits the fault information to the control panel 6, the corresponding control panel 6 displays the information of the network lines with the faults, and meanwhile, the indication lamp 4 is lightened to send an alarm indication to remind the inspector of the network faults of the photovoltaic power station;
when the current signal value obtained by the CPU module 8 is not in the normal range value of the current set by the control panel 6, it is judged that the network line fails, and the network failure range in the photovoltaic power station can be quickly determined, then the CPU module 8 issues an instruction for detecting the network line current failure to the failure detection module 13, the current signal on the network line of the failure detection module 13 is checked, when the specific position of the network line with the failure is detected, the failure detection module 13 feeds back the specific position of the failure information to the CPU module 8, the CPU module 8 transmits the failure information to the control panel 6, the corresponding control panel 6 displays the information of the network line with the failure, and meanwhile, the indicator lamp 4 is lightened to issue an alarm instruction, so that a inspector is reminded of the network failure of the photovoltaic power station and the specific position of the network failure is convenient for inspector to observe.
If the voltage information and the current information acquired by the CPU module 8 are within the set normal range value of the voltage and the set normal range value of the current, but the network signal in the main controller 1 is interrupted, the CPU module 8 sends out an instruction for detecting the network fault to the fault detection module 13, the fault detection module 13 can conduct investigation according to the network information transmitted by the communication module 12, when the network fault is detected, the fault detection module 13 feeds back the specific position of the fault information to the CPU module 8, the CPU module 8 transmits the fault information to the control panel 6, the network fault range in the photovoltaic power station can be rapidly determined, the control panel 6 can display the specific position of the fault information, meanwhile, the indicator lamp 4 can be lightened, an alarm reminding is sent out, and an inspector is reminded that the network fault occurs in the photovoltaic power station and meanwhile, the inspector can observe the specific position of the network fault conveniently.
Further, the transformer 2 is disposed in the chassis 5, the transformer 2 is electrically connected with the analog input module 9, and the transformer 2 is configured to enable ac voltage and heavy current in the photovoltaic power station to be reduced to a voltage value and a current value that can be collected by the analog input module in proportion.
Further, the analog quantity sampling module includes: a voltage analog sampling module 10 and a current analog sampling module 11; the analog input module 9 is electrically connected with the voltage analog sampling module 10 and the current analog sampling module 11 respectively;
the voltage analog sampling module 10 is configured to collect voltage signals of network lines in the photovoltaic power station, the current analog sampling module 11 is configured to collect current signals of network lines in the photovoltaic power station, and compare the collected voltage signals and current signals of the network lines in the photovoltaic power station with preset voltage normal range values and current normal range values by collecting the voltage signals and the current signals of the network lines in the photovoltaic power station, so as to determine whether the network lines in the photovoltaic power station have faults.
Further, the main controller is a PLC controller, the reliability of the PLC controller is high, the anti-interference capability is strong, and the service life is long.
An apparatus for determining a network fault range in a photovoltaic power plant, comprising: the device comprises a case, a main controller, a transformer, a control panel, a partition board and an indicator lamp; the main controller is arranged in the case and is used for detecting the network fault range; the control panel is arranged in the case and is used for inputting control instructions and displaying network fault information in the photovoltaic power station; the pilot lamp sets up the top of quick-witted case, works as when network fault is detected to main control unit, the pilot lamp can be bright, when network fault appears in the photovoltaic power plant, can confirm the network fault scope in the photovoltaic power plant fast to enable maintenance personal can be timely repair network fault, avoid photovoltaic power plant's loss of property.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. An apparatus for determining the extent of a network fault in a photovoltaic power plant, comprising: the device comprises a case, a main controller, a transformer, a control panel, a partition board and an indicator lamp;
the main controller is arranged in the case and is used for detecting the network fault range;
the control panel is arranged in the case and is used for inputting control instructions and displaying network fault information in the photovoltaic power station;
the indicator lamp is arranged above the case, and when the main controller detects a network fault, the indicator lamp can be lightened.
2. An apparatus for determining the extent of a network fault in a photovoltaic power plant according to claim 1, wherein said master controller comprises: the system comprises a power supply module, a CPU module, an analog input module, an analog sampling module, a communication module, a fault detection module and an analog output module;
the analog input module is respectively and electrically connected with the analog sampling module and the communication module, and the CPU module is respectively and electrically connected with the power supply module, the analog sampling module, the communication module, the fault detection module and the analog output module.
3. The apparatus for determining the range of a network fault in a photovoltaic power plant of claim 2 wherein said transformer is disposed within said housing, said transformer being electrically connected to said analog input module.
4. An apparatus for determining the extent of network faults in a photovoltaic power plant according to claim 2 in which the analogue sampling module comprises: the voltage analog sampling module and the current analog sampling module; the analog input module is respectively and electrically connected with the voltage analog sampling module and the current analog sampling module;
the voltage analog sampling module is used for collecting voltage signals of a network line in the photovoltaic power station;
the current analog sampling module is used for collecting current signals of network lines in the photovoltaic power station.
5. An apparatus for determining the extent of a network fault in a photovoltaic power plant according to claim 2 wherein said control panel is electrically connected to said CPU module, control instructions being entered on said control panel, said CPU module being responsive to said control instructions.
6. The apparatus for determining the extent of a network fault in a photovoltaic power plant of claim 1, wherein said master controller is electrically connected to said indicator lights;
and if the network information acquired by the main controller fails, the indicator lamp is lightened.
7. The apparatus for determining the range of network faults in a photovoltaic power plant of claim 1 in which the master controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761395.1U CN220122912U (en) | 2023-04-07 | 2023-04-07 | Equipment for determining network fault range in photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761395.1U CN220122912U (en) | 2023-04-07 | 2023-04-07 | Equipment for determining network fault range in photovoltaic power station |
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| Publication Number | Publication Date |
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| CN220122912U true CN220122912U (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320761395.1U Active CN220122912U (en) | 2023-04-07 | 2023-04-07 | Equipment for determining network fault range in photovoltaic power station |
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| CN (1) | CN220122912U (en) |
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- 2023-04-07 CN CN202320761395.1U patent/CN220122912U/en active Active
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