CN215931942U - Circuit monitoring device for monitoring lightning stroke condition in real time - Google Patents
Circuit monitoring device for monitoring lightning stroke condition in real time Download PDFInfo
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- CN215931942U CN215931942U CN202121336242.XU CN202121336242U CN215931942U CN 215931942 U CN215931942 U CN 215931942U CN 202121336242 U CN202121336242 U CN 202121336242U CN 215931942 U CN215931942 U CN 215931942U
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Abstract
The utility model belongs to the technical field of intelligent power grids, and discloses a line monitoring device for monitoring lightning stroke conditions in real time. The main body structure comprises a cylindrical shell and an end cover, wherein one end of the cylindrical shell is an open end, the other end of the cylindrical shell is a closed end, and the end cover is fixedly and hermetically arranged at the open end of the cylindrical shell; the monitoring assembly comprises two assembling plates, a grounding wire, a small current sensor, a lightning stroke current sensor, a mounting plate, a controller and a communication module. The line monitoring device for monitoring the lightning strike condition in real time is convenient to connect, is convenient to access into a 10kV power supply line, can realize real-time online monitoring on whether a 10kV line is struck by lightning or not, is convenient to find the line after being struck by the lightning, can effectively reduce the workload of manual line inspection, shorten the fault repairing time, reduce the power failure loss of a system and effectively ensure the stable operation of a power supply system.
Description
Technical Field
The utility model relates to the technical field of intelligent power grids, in particular to a line monitoring device for monitoring lightning stroke conditions in real time.
Background
At present, the intelligent and strong power grid of the national power grid company is built in a fierce manner, and the online monitoring device for the lightning arrester of the overhead line is indispensable technical force for building the intelligent power grid. The lightning arrester monitoring system combines modern communication technology and computer technology to monitor various running states of the lightning arrester in real time: the lightning stroke number, the lightning stroke current, the normal leakage current, the earth fault leakage current and the like are processed by a computer, and then the computer informs an operator on duty in a screen display mode, an APP notification mode and the like, indicates the change of the running state of the monitored line, confirms the change place, and can further improve the fault judgment processing capacity.
However, the online monitoring device for the overhead line arrester in the prior art has the following defects: 1) the fault point or the fault hidden trouble point is difficult to be quickly positioned, so that the workload of manual line patrol is large, the fault repair time is long, the power failure loss of a power supply system is increased invisibly, and the stable operation of the power supply system is difficult to be effectively ensured; 2) the wiring is troublesome, leads to the installation troublesome, is not convenient for insert in the 10kV power supply line.
Therefore, a line monitoring device for monitoring the lightning stroke condition in real time is provided.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a circuit monitoring device for monitoring lightning strike status in real time, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a line monitoring device for real-time monitoring of lightning strike conditions, comprising:
the main body structure comprises a cylindrical shell and an end cover, wherein one end of the cylindrical shell is an open end, the other end of the cylindrical shell is a closed end, the end cover is fixedly and hermetically mounted at the open end of the cylindrical shell, cylindrical clamping seats are fixedly mounted on the outer side surface of the end cover and the outer side surface of the end wall of the closed end of the cylindrical shell, and locking caps are screwed outside the cylindrical clamping seats;
the monitoring assembly comprises two assembling plates, a grounding wire, a small current sensor, a lightning strike current sensor, a mounting plate, a controller and a communication module, the two assembling plates are respectively arranged at the two ends of the interior of the cylindrical shell, and a wire connector is fixedly arranged on one side surface of the two assembling plates opposite to each other, the two wire connectors respectively extend into the two cylindrical clamping seats, the grounding wire is inserted between the two wire connectors, the grounding wire is respectively and electrically connected with the two connector lugs, the small current sensor, the lightning strike current sensor and the mounting plate are fixedly sleeved on the grounding wire, the controller and the communication module are fixedly arranged on the mounting plate, and the controller is respectively electrically connected with the communication module, the small current sensor and the lightning strike current sensor.
Optionally, the monitoring assembly further comprises a positioning module, the positioning module is fixedly mounted on the mounting plate, and the positioning module is electrically connected with the controller.
Optionally, the positioning module is a GPS module.
Optionally, the communication module includes at least one of a Lora communication module, an NB-iot communication module, a 4G communication module, and a 5G communication module.
Optionally, the monitoring assembly further includes an overvoltage protector, and the overvoltage protector is electrically connected to the controller.
Optionally, the side wall of the cylindrical clamping seat is provided with notches matched with the locking cap.
Optionally, major structure still includes the radiator, the radiator is the aluminum alloy cylinder, just the radiator passes through the end cover encapsulation is in the inside of cylindrical shell, the radiator surrounds two the assembly board the earth connection the undercurrent sensor lightning stroke current sensor the mounting panel the controller the communication module the orientation module and overvoltage protector's periphery.
Optionally, the side wall of the aluminum alloy cylinder has a cavity inside for filling with a coolant.
Compared with the prior art, the utility model has the beneficial effects that: according to the line monitoring device for monitoring the lightning strike condition in real time, the grounding wire is conveniently connected into a 10kV line under the mutual matching of the cylindrical clamping seat, the locking cap and the two connector lugs, so that the line monitoring device for monitoring the lightning strike condition in real time is convenient to wire. In addition, the line monitoring device for monitoring the lightning stroke condition in real time provided by the utility model can realize real-time online monitoring of whether the 10kV line is struck by lightning or not under the mutual cooperation of the small current sensor, the lightning stroke current sensor, the controller and the communication module, is convenient to find the line in time after being struck by lightning, can effectively reduce the workload of manual line patrol, shorten the fault repairing time, reduce the power failure loss of a system and effectively ensure the stable operation of a power supply system.
Drawings
FIG. 1 is a schematic diagram of a circuit monitoring device for real-time monitoring of lightning strike conditions according to the present invention;
FIG. 2 is a schematic diagram of another view of the line monitoring device for real-time monitoring of lightning strike conditions according to the present invention;
FIG. 3 is a schematic cross-sectional view of a circuit monitoring device for real-time monitoring of lightning strike conditions according to the present invention;
FIG. 4 is a schematic cross-sectional view of another perspective of the line monitoring apparatus for real-time monitoring of lightning strike conditions of the present invention;
FIG. 5 is a schematic diagram of a partially cut-away structure of a line monitoring device for real-time monitoring of lightning strike conditions according to the present invention;
fig. 6 is an enlarged schematic view of a partial view a in fig. 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a circuit monitoring device for monitoring a lightning strike condition in real time, including: a main body structure and a monitoring component.
As shown in fig. 1-2, the main structure includes a cylindrical housing 1 and an end cover 2, one end of the cylindrical housing 1 is an open end, the other end of the cylindrical housing 1 is a closed end, the end cover 2 is fixedly and hermetically installed at the open end of the cylindrical housing 1, a cylindrical clamping seat 3 is fixedly installed on the outer side surface of the end cover 2 and the outer side surface of the end wall of the closed end of the cylindrical housing 1, and a locking cap 4 is screwed on the outer portion of the cylindrical clamping seat 3;
wherein, as shown in fig. 3-6, the monitoring assembly comprises two assembling plates 5, a grounding wire 6, a small current sensor 7, a lightning strike current sensor 8, a mounting plate 9, a controller 10 and a communication module 11, the two assembling plates 5 are respectively arranged at two ends of the interior of the cylindrical shell 1, and one side surface of the two assembling plates 5 opposite to each other is fixedly provided with a wire connector 15, the two wire connectors 15 respectively extend into the two cylindrical clamping seats 3, the grounding wire 6 is inserted between the two wire connectors 15, the grounding wire 6 is respectively and electrically connected with two connector lugs 15, the small current sensor 7, the lightning strike current sensor 8 and the mounting plate 9 are fixedly sleeved on the grounding wire 6, the controller 10 and the communication module 11 are fixedly arranged on the mounting plate 9, and the controller 10 is electrically connected with the communication module 11, the small current sensor 7 and the lightning strike current sensor 8 respectively.
That is to say, the line monitoring device for monitoring the lightning strike condition in real time by adopting the technical scheme mainly comprises a main body structure and a monitoring component, wherein the main body structure mainly comprises a cylindrical shell 1, an end cover 2, a cylindrical clamping seat 3 and a locking cap 4; the monitoring assembly mainly comprises two assembling plates 5, a grounding wire 6, a small current sensor 7, a lightning strike current sensor 8, an installing plate 9, two connector lugs 15, a controller 10 and a communication module 11; the cylindrical clamping seat 3, the locking cap 4 and the two connector lugs 15 are mutually matched, so that the grounding wire 6 is conveniently connected into a 10kV circuit, and the circuit monitoring device for monitoring the lightning stroke condition in real time is convenient to wire; in addition, the line monitoring device for monitoring the lightning stroke condition in real time can realize real-time online monitoring whether a 10kV line is struck by lightning or not under the mutual cooperation of the small current sensor 7, the lightning stroke current sensor 8, the controller 10 and the communication module 11, is convenient to find the line after being struck by lightning, can effectively reduce the workload of manual line inspection and shorten the fault repair time, reduces the power failure loss of a system, and effectively ensures the stable operation of the system; in addition, the minimum current leakage of the power grid and the maximum current of lightning stroke can be monitored in real time under the mutual matching of the small current sensor 7 and the lightning stroke current sensor 8, and meanwhile, the device can be effectively prevented from being damaged due to lightning stroke under the action of the grounding wire 6.
It should be noted that the small current sensor 7 may be a precision small current transformer module of type TQHG-MT88, the lightning strike current sensor 8 may be a rogowski transformer + integrator of type MFT-S9.6, and the controller 10 may be a single chip microcomputer of type STC89C 51.
More perfectly, as shown in fig. 4, in order to quickly locate a fault point or a potential fault point to reduce the workload of manual line patrol, the monitoring assembly further includes a positioning module 12, the positioning module 12 is fixedly mounted on the mounting plate 9, and the positioning module 12 is electrically connected with the controller 10, wherein the positioning module 12 is a GPS module.
Specifically, in order to enable the line monitoring device for monitoring the lightning strike condition in real time to be suitable for various communication protocols, the communication module 11 is arranged to include at least one of a Lora communication module, an NB-iot communication module, a 4G communication module and a 5G communication module.
More perfectly, as shown in fig. 4, in order to protect the line monitoring device for monitoring the lightning strike condition in real time from being powered off automatically when the working voltage is higher, and effectively ensure the service life of the line monitoring device, the monitoring component further includes an overvoltage protector 13, and the overvoltage protector 13 is electrically connected with the controller 10.
It should be noted that the overvoltage protection device 13 can be any overvoltage protection device with model YH5 CX-13/40G.
Specifically, as shown in fig. 6, in order to enable the cylindrical clamping seat 3 to elastically deform, notches matched with the locking cap 4 are further formed on the side walls of the cylindrical clamping seat 3.
Specifically, as shown in fig. 3-4, in order to reduce the influence of heat generated during operation on the performance of the line monitoring device for monitoring the lightning strike condition in real time, the main structure of the device further includes a heat sink 14, the heat sink 14 is an aluminum alloy cylinder, the heat sink 14 is encapsulated inside the cylindrical housing 1 through the end cover 2, the heat sink 14 surrounds the two assembling plates 5, the ground wire 6, the small current sensor 7, the lightning strike current sensor 8, the mounting plate 9, the controller 10, the communication module 11, the positioning module 12 and the overvoltage protector 13, and the heat sink 14 can be used for cooling the small current sensor 7, the lightning strike current sensor 8, the controller 10, the communication module 11, the positioning module 12 and the overvoltage protector 13.
Specifically, in order to further improve the cooling effect of the radiator 14, a cavity for filling the coolant is provided inside the side wall of the aluminum alloy cylindrical body.
The working principle is as follows: according to the line monitoring device for monitoring the lightning strike condition in real time, the grounding wire 6 is conveniently connected into a 10kV line under the mutual matching of the cylindrical clamping seat 3, the locking cap 4 and the two connector lugs 15, so that the line monitoring device for monitoring the lightning strike condition in real time is convenient to wire; in addition, the line monitoring device for monitoring the lightning stroke condition in real time can realize real-time online monitoring whether a 10kV line is struck by lightning or not under the mutual cooperation of the small current sensor 7, the lightning stroke current sensor 8, the controller 10 and the communication module 11, is convenient to find the line after being struck by lightning, can effectively reduce the workload of manual line inspection and shorten the fault repair time, reduces the power failure loss of a system, and effectively ensures the stable operation of the system; in addition, the minimum current leakage of the power grid and the maximum current of lightning stroke can be monitored in real time under the mutual matching of the small current sensor 7 and the lightning stroke current sensor 8, and meanwhile, the device can be effectively prevented from being damaged due to lightning stroke under the action of the grounding wire 6.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A line monitoring device for monitoring lightning strike conditions in real time, comprising:
the main body structure comprises a cylindrical shell and an end cover, wherein one end of the cylindrical shell is an open end, the other end of the cylindrical shell is a closed end, the end cover is fixedly and hermetically mounted at the open end of the cylindrical shell, cylindrical clamping seats are fixedly mounted on the outer side surface of the end cover and the outer side surface of the end wall of the closed end of the cylindrical shell, and locking caps are screwed outside the cylindrical clamping seats;
the monitoring assembly comprises two assembling plates, a grounding wire, a small current sensor, a lightning strike current sensor, a mounting plate, a controller and a communication module, the two assembling plates are respectively arranged at the two ends of the interior of the cylindrical shell, and a wire connector is fixedly arranged on one side surface of the two assembling plates opposite to each other, the two wire connectors respectively extend into the two cylindrical clamping seats, the grounding wire is inserted between the two wire connectors, the grounding wire is respectively and electrically connected with the two connector lugs, the small current sensor, the lightning strike current sensor and the mounting plate are fixedly sleeved on the grounding wire, the controller and the communication module are fixedly arranged on the mounting plate, and the controller is respectively electrically connected with the communication module, the small current sensor and the lightning strike current sensor.
2. The line monitoring device for monitoring lightning strike conditions in real time according to claim 1, wherein: the monitoring assembly further comprises a positioning module, the positioning module is fixedly mounted on the mounting plate, and the positioning module is electrically connected with the controller.
3. The line monitoring device for monitoring lightning strike conditions in real time according to claim 2, wherein: the positioning module is a GPS module.
4. The line monitoring device for monitoring lightning strike conditions in real time according to claim 1, wherein: the communication module comprises at least one of a Lora communication module, an NB-iot communication module, a 4G communication module and a 5G communication module.
5. The line monitoring device for real-time monitoring of lightning strike conditions according to claim 3, wherein: the monitoring assembly further comprises an overvoltage protector, and the overvoltage protector is electrically connected with the controller.
6. The line monitoring device for monitoring lightning strike conditions in real time according to claim 1, wherein: the side wall of the cylindrical clamping seat is provided with notches matched with the locking cap.
7. The line monitoring device for monitoring lightning strike conditions in real time according to claim 5, wherein: the major structure still includes the radiator, the radiator is the aluminum alloy cylinder, just the radiator passes through the end cover encapsulation is in the inside of cylindrical shell, the radiator surrounds two the assembly board the earth connection the undercurrent sensor lightning stroke current sensor the mounting panel the controller the communication module the orientation module and overvoltage protector's periphery.
8. The line monitoring device for real-time monitoring of lightning strike conditions according to claim 7, wherein: and a cavity for filling cooling liquid is formed inside the side wall of the aluminum alloy cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121336242.XU CN215931942U (en) | 2021-06-16 | 2021-06-16 | Circuit monitoring device for monitoring lightning stroke condition in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121336242.XU CN215931942U (en) | 2021-06-16 | 2021-06-16 | Circuit monitoring device for monitoring lightning stroke condition in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931942U true CN215931942U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121336242.XU Active CN215931942U (en) | 2021-06-16 | 2021-06-16 | Circuit monitoring device for monitoring lightning stroke condition in real time |
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| Country | Link |
|---|---|
| CN (1) | CN215931942U (en) |
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2021
- 2021-06-16 CN CN202121336242.XU patent/CN215931942U/en active Active
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