CN209982028U - Power grid lightning stroke monitoring and protecting system - Google Patents
Power grid lightning stroke monitoring and protecting system Download PDFInfo
- Publication number
- CN209982028U CN209982028U CN201921082917.5U CN201921082917U CN209982028U CN 209982028 U CN209982028 U CN 209982028U CN 201921082917 U CN201921082917 U CN 201921082917U CN 209982028 U CN209982028 U CN 209982028U
- Authority
- CN
- China
- Prior art keywords
- module
- monitoring
- lightning
- power grid
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a power grid lightning stroke monitoring and protecting system, which comprises a real-time monitoring component, a lightning stroke protecting component and a data receiving component; the real-time monitoring assembly comprises a monitoring shell, a lightning current sensor is arranged in the monitoring shell, and the lightning current sensor is connected with a signal input mechanism; the utility model provides a power grid lightning stroke monitoring and protecting system which can be distributed and applied in different circuits, when protecting the power grid lightning stroke, the discharging gap can be adjusted according to the actual use condition, thus ensuring the controllability of the discharging ball gap and the stability of the discharging arc; the real-time monitoring assembly can monitor the amplitude of lightning current of the line and the time, place and frequency of lightning. The amplitude of the lightning current is mastered, which is beneficial to taking targeted lightning protection measures for the line.
Description
Technical Field
The utility model relates to a technical equipment field is hit in the electric wire netting lightning protection, concretely relates to electric wire netting lightning stroke monitoring protection system.
Background
The 10 kV-35 kV line is an important line of a power distribution network in China, electric energy is directly distributed for vast users, the lightning resistance level of the power distribution line is generally low due to the characteristics of the power distribution line, and once lightning strike occurs, serious accidents of line equipment damage or tripping of the whole line are easily caused, so that the lightning protection measures for the 10-35 kV power distribution network line are taken by a national power grid, a southern power grid and power grids of all places, and the lightning protection measures are used in the 10-35 kV power distribution network line to achieve certain effects. Practical operation experience proves that the lightning arrester has no protection range in a line, the lightning conductor is basically not used in a 10kV system, and the 35kV system is additionally provided with the lightning conductor on a tower which is 1-2 kilometers away from a transformer substation according to regulation requirements. The investment cost for erecting the lightning conductor on the whole line is high, and the lightning conductor is generally protected against induction mines after being additionally installed.
In addition, in the implementation process of the lightning protection project, proper towers and targeted lines are selected to perform lightning protection treatment mostly through practical experience, terrain, landform, weather conditions, geological conditions, line lightning-resistant level, line routing and lightning positioning systems. Distribution network lines are point-to-multipoint and wide in a power grid, one line is dozens of kilometers or even 100 kilometers, and the distribution network lines pass through mountains, hills, canyons, deep mountain streams, lakes and the like. According to operation experience, some poles and towers in some lines are proved and the lines are in a thunder area or an area with frequent lightning activities. As long as the positions of part of towers are accurately found and corresponding lightning protection measures are taken, lightning accidents can be reduced to the minimum, so that how to design a lightning protection tower can greatly reduce the trip-out rate and protect a power grid; meanwhile, the technology can monitor and collect the thunder and lightning information in real time, which is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses aim at solving one of the technical problem among the correlation technique at least to a certain extent. Therefore, an object of the utility model is to provide a power grid thunderbolt monitoring protection system, this system can reduce the trip rate when the electric wire netting meets the thunderbolt, can real-time supervision and collect thunder and lightning information simultaneously. The specific technical scheme is as follows:
a power grid lightning stroke monitoring and protecting system comprises a lightning stroke protecting component, a real-time monitoring component and a data receiving component; the lightning stroke protection assembly comprises a clamping protector body, the upper end of the clamping protector body is connected with a discharging mechanism, the discharging mechanism comprises an upper discharging ball and a lower discharging ball which are oppositely arranged, and the upper discharging ball can axially move along the clamping protector body; the real-time monitoring assembly comprises a monitoring shell, a signal input mechanism connected with the clamping protector body is arranged on the monitoring shell, a lightning current sensor connected with the signal input mechanism is arranged in the monitoring shell, and the lightning current sensor is connected with a control processing module for performing analog-to-digital conversion processing on a lightning current signal acquired by the lightning current sensor; the control processing module is also connected with a real-time service module, a data storage module, a data transmitting module and a power supply module; the data receiving assembly comprises a receiving terminal, and a data receiving module matched with the data sending module is arranged in the receiving terminal.
In the technical scheme: the power grid lightning stroke monitoring and protecting system is used for monitoring lightning information on one hand and protecting the power grid on the other hand, and reduces the tripping rate of the power grid in the case of lightning stroke.
In order to avoid the tripping operation of the power grid line when being struck by lightning, the lightning protection assembly can discharge, the discharging mechanism is installed at the upper end of the clamping protector body, the upper discharging ball and the lower discharging ball of the discharging mechanism are arranged oppositely, and the upper discharging ball can move along the axial direction of the clamping protector body, so that the distance between the upper discharging ball and the lower discharging ball, namely the discharging gap, can be adjusted according to the actual use condition, and the arrangement and the application in different lines are facilitated. The controllability of the gap discharge of the discharge ball and the stability of the discharge arc can be ensured when the lightning strike occurs, the trip rate can be greatly reduced, and the trip frequency can be reduced.
Because the clamp protector body is connected with the signal input mechanism, when the clamp protector body is struck by lightning, lightning current is input into a lightning current sensor of the monitoring shell through the signal input mechanism, the lightning current sensor can monitor a lightning current signal and instantly trigger the control processing module, the control processing module quickly carries out analog-to-digital conversion on the lightning current signal, real-time is obtained through the real-time service module, data codes formed by the lightning current value and the real-time are stored in the data storage module, information data are sent through the data sending module on the other hand, and the data receiving module of the receiving terminal can receive the data codes.
Through the technical scheme, on one hand, the loss of the power grid after being struck by lightning can be reduced, on the other hand, the lightning information in the power grid area can be monitored in real time, and targeted lightning protection measures can be favorably taken for power grid lines.
The preferable technical scheme is characterized in that the signal input mechanism comprises fixing pieces which are arranged from top to bottom and fixed on the surface of the monitoring shell, each fixing piece is provided with a line pressing piece, a line pressing groove is formed in each line pressing piece, two ends of each line pressing piece are fixedly fixed on each line pressing piece, and a monitoring line electrically connected with the clamp protector body is embedded in each line pressing groove.
The preferable technical scheme is characterized in that a lower fixing plate positioned below a lower discharge ball is fixed at the upper end of a clamp protector body, an upper fixing plate is arranged above the upper discharge ball, and an insulating fixing column is fixed between the upper fixing plate and the lower fixing plate; the clamp protector comprises an upper fixing plate and a clamp protector body, and is characterized in that a fixing shaft sleeve which is coaxial with the clamp protector body is arranged at the geometric center of the upper fixing plate, a conductive connecting column is movably arranged in the fixing shaft sleeve in a penetrating mode, the lower end of the conductive connecting column is fixedly connected with an upper discharging ball, and a plurality of fixing studs are further screwed on the periphery of the fixing shaft sleeve.
The optimized technical scheme is characterized in that a binding post is fixed at the upper end of the conductive connecting post, an elastic insulating cover is sleeved on the binding post, a lead connecting part is arranged on the elastic insulating cover, and a lead hole communicated with the elastic insulating cover is arranged on the lead connecting part.
The clamp protector is characterized in that an insulating connecting plate is further connected to the lower end of the clamp protector body, an installation slot matched with the clamp protector body in a clamped and inserted mode is formed in one end, connected with the clamp protector body, of the insulating connecting plate, and a connecting frame is fixed to one end, far away from the installation slot, of the insulating connecting plate.
The preferred technical solution is additionally characterized in that the data receiving module includes a CDMA network receiving module, the CDMA network receiving module is connected to a CDMA receiving antenna disposed on a surface of the receiving terminal, and the CDMA network receiving module is further connected to a data output interface disposed on the surface of the receiving terminal.
The preferable technical solution is additionally characterized in that the data transmission module includes a CDMA network transmission module connected to the control processing module, and the CDMA network transmission module is connected to an antenna interface disposed on the surface of the monitoring housing. The antenna interface is connected with a CDMA transmitting antenna.
The preferable technical scheme is characterized in that the data storage module is connected with a communication reading interface, the communication reading interface is embedded in a data interface slot arranged on the surface of the monitoring shell, a sealing strip is attached to the edge of the inner wall of the data interface slot, and a sealing block is clamped in a notch of the data interface slot.
The optimal technical scheme is characterized in that the power supply module comprises an external battery module and a solar battery module, an automatic conversion electronic switch is connected between the external battery module and the solar battery module, the external battery module is connected with an external power supply plug, the solar battery module is connected with a solar power supply plug, the solar power supply plug is plugged in a solar power interface arranged on the surface of the monitoring shell, and the external power supply plug is plugged in an external power interface arranged on the surface of the monitoring shell.
The utility model has the advantages that: the utility model provides a power grid lightning stroke monitoring and protecting system can be arranged and applied in different circuits, when the protection power grid is struck by lightning, the discharge gap can be adjusted according to the actual use condition, and the controllability of the discharge ball gap discharge and the stability of the discharge arc are ensured; the real-time monitoring assembly can monitor the amplitude of lightning current of the line and the time, place and frequency of lightning. The lightning current amplitude is mastered, the defects of a lightning positioning system and a fault recording device are overcome, the line patrol workload is reduced, operators can conveniently and timely and accurately handle tripping accidents, and the power grid stability level is improved. The line fault reasons can be conveniently and accurately judged by power workers through real-time monitoring, lightning accidents are effectively distinguished, and judgment and statistics of lightning stroke forms are favorable for taking targeted lightning protection measures for lines. The utility model discloses rational in infrastructure, can extensively be applicable to in the electric wire netting lightning protection is used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a power grid lightning strike monitoring and protection system according to an embodiment.
Fig. 2 is a control flow chart of the power grid lightning strike monitoring protection system according to an embodiment.
FIG. 3 is a diagram of a real-time monitoring component of the lightning strike monitoring and protecting system of the power grid according to an embodiment
FIG. 4 is a monitoring shell structure diagram of a power grid lightning strike monitoring protection system according to an embodiment.
Fig. 5 is a receiving terminal structure diagram of a power grid lightning strike monitoring protection system according to an embodiment.
The meanings indicated by the respective reference numerals are as follows; the device comprises a clamp protector body 1, an upper discharging ball 2, a lower discharging ball 3, a monitoring shell 4, a communication reading port 401, a solar interface 402, an external power interface 403, a receiving terminal 5, a CDMA receiving antenna 501, a fixing piece 6, a wire pressing piece 7, a wire pressing groove 701, a monitoring wire 8, a lower fixing plate 9, an upper fixing plate 10, a fixing shaft sleeve 11, a conductive connecting column 12, a fixing stud 13, a binding post 14, a lightning drainage wire 15, an insulating fixing column 16, an insulating connecting plate 17, a connecting frame 18 and a circuit cross arm 19.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.
As shown in fig. 1 to 5, in an embodiment, the utility model provides a power grid thunderbolt monitoring protection system can be used to monitor thunder and lightning information on the one hand, and on the other hand can be used to protect the power grid, reduces the tripping operation rate when the power grid meets the thunderbolt, specifically includes real-time supervision subassembly, thunderbolt protection subassembly and data receiving assembly. The lightning protection assembly comprises a clamping protector body 1, a discharging mechanism is connected to the upper end of the clamping protector body 1, the discharging mechanism comprises an upper discharging ball 2 and a lower discharging ball 3 which are oppositely arranged, and the upper discharging ball can move along the axial direction of the clamping protector body 1. The real-time monitoring assembly comprises a monitoring shell 4, a signal input mechanism connected with the clamp protector body 1 is arranged on the monitoring shell 4, a lightning current sensor connected with the signal input mechanism is arranged in the monitoring shell 4, and the lightning current sensor is connected with a control processing module for performing analog-to-digital conversion processing on a lightning current signal acquired by the lightning current sensor; the control processing module is also connected with a real-time service module, a data storage module, a data transmitting module and a power supply module.
As shown in fig. 1 to 5, the data receiving component includes a receiving terminal 5, and a data receiving module adapted to a data sending module is disposed in the receiving terminal 5.
As shown in fig. 1 to 5, in order to avoid tripping of a power grid line when a lightning strike occurs, the lightning strike protection assembly can discharge when the lightning strike occurs, a discharge mechanism of the lightning strike protection assembly is installed at the upper end of the clamp protector body 1, an upper discharge ball 2 and a lower discharge ball 3 of the discharge mechanism are arranged oppositely, and the upper discharge ball 2 can move axially along the clamp protector body 1, so that the distance between the upper discharge ball 2 and the lower discharge ball 3, namely a discharge gap, can be adjusted according to actual use conditions, and convenience is brought to layout application in different lines. The controllability of the gap discharge of the discharge ball and the stability of the discharge arc can be ensured when the lightning strike occurs, the trip rate can be greatly reduced, and the trip frequency can be reduced.
As shown in fig. 1 to 5, the clamp protector body 1 is a commonly used structure in the field of lightning protection of power grids, a discharge circuit is arranged in the clamp protector body 1, the discharge circuit includes a buffer resistor, a pulse capacitor, a discharge capacitor and the like, and the technical principle is as follows: the lightning current instantly charges the pulse electricity through the buffer resistor disc, and discharges through the discharge coil after clipping, so that the power grid line is protected from lightning stroke. This circuit is well known in the art and will not be described in detail herein. Which is electrically connected to the lower discharging ball 3 when mounted.
As shown in fig. 1 to 5, since the clamp protector body 1 is connected to the signal input mechanism of the real-time monitoring assembly, when a power grid is struck by lightning, a lightning current is input into the lightning current sensor of the monitoring housing 4 through the signal input mechanism, the lightning current sensor can monitor a lightning current signal and instantly trigger the control processing module, the control processing module rapidly performs analog/digital conversion on the lightning current signal, and obtains real-time through the real-time service module, and a data code composed of the lightning current value and the real-time is stored in the data storage module, on the other hand, information data is sent through the data sending module, and the data receiving module of the receiving terminal 5 can receive the data code.
As shown in fig. 1 to 5, in this embodiment, in order to establish good communication between the lightning current sensor and other control devices, in combination with the requirement of the embodiment that the current sensor requires high measurement accuracy, the lightning current sensor is preferably a Rogowski coil (Rogowski coil), which is an air-core coil with a special structure and is used as a Rogowski coil of a sensor for large current field measurement, and has the following advantages: the measuring coil is electrically insulated from the main loop; the problem of iron core saturation is avoided, so that the measurement range is wide; the frequency range is wide, the Rogowski coil can completely meet the bandwidth requirement of lightning current measurement, and the rise time of the coil can be shorter; the measurement accuracy is high and can be designed to be better than 0.1%; the digital quantity is easy to output, and the measurement digitization, networking and automation are realized; no danger of flammability, explosiveness and the like, meets the requirement of environmental protection, and has small volume and light weight.
In addition, in this embodiment, the control processing module of the analog/digital conversion module for the current signal preferably selects an MCU central processing unit, and the real-time service module connected to the MCU central processing unit can acquire real-time, record a time node at which lightning is generated, and encode data composed of the lightning current value and the real-time. In this embodiment, the real-time service module is a conventional technical device widely applicable to the field, and a person skilled in the art may select a specific model and specification as needed, which is not described herein again.
As shown in fig. 1 to 5, the signal input mechanism in this embodiment needs to be connected to a lightning current sensor and a clamp protector body 1, the signal input mechanism includes fixing pieces 6 arranged from top to bottom and fixed on the surface of a monitoring housing 4, each fixing piece 6 is provided with a wire pressing piece 7, the wire pressing piece 7 is provided with a wire pressing groove 701, two ends of the wire pressing piece 7 are fixedly fixed on the wire pressing piece 7, and a monitoring wire 8 electrically connected to the clamp protector body 1 is embedded in the wire pressing groove 701. When the installation, monitoring line 8 passes between stationary blade 6 and the line ball piece 7, and the line ball groove 701 of arranging on the line ball piece 7 can with the 8 blocks of monitoring line, avoids ground connection downlead to take place to slide, accomplish after the installation fix through fixing bolt can, monitoring line 8 links to each other with the discharge circuit in the clamp protector body 1 for the discharge mechanism of thunderbolt protection subassembly is when discharging, and lightning current sensor can real-time supervision lightning current signal.
As shown in fig. 1 to 5, in order to adjust the gap between the upper discharge ball 2 and the lower discharge ball 3, in the present embodiment, a lower fixing plate 9 located below the lower discharge ball 3 is fixed at the upper end of the clamp protector body 1, an upper fixing plate 10 is disposed above the upper discharge ball 2, and an insulating fixing column 16 is fixed between the upper fixing plate 10 and the lower fixing plate 9; the clamp protector comprises an upper fixing plate 10 and a clamp protector body 1, and is characterized in that a fixing shaft sleeve 11 which is coaxial with the clamp protector body 1 is arranged at the geometric center of the upper fixing plate 10, a conductive connecting column 12 is movably arranged in the fixing shaft sleeve 11 in a penetrating mode, the lower end of the conductive connecting column 12 is fixedly connected with an upper discharging ball 2, and a plurality of fixing studs 13 are further screwed on the periphery of the fixing shaft sleeve 11. The upper fixed disk and the lower fixed disk can play the effect of covering the upper discharge ball 2 and the lower discharge ball 3, reduce when drenching and the discharge that external pollutant influences the discharge ball, can adjust the discharge gap between the upper discharge ball 2 and the lower discharge ball 3 through the mode of slip electrically conductive connecting post 12, accomplish the discharge gap adjustment back, through screwing fixing stud 13, make fixing stud 13's end support to lean on electrically conductive connecting post 12 outer peripheral face, prevent that the upper discharge ball 2 from taking place to slide, improve the stability of mechanism of discharging.
As shown in fig. 1 to 5, when the lightning protection assembly is installed, a lightning conduction wire 15 needs to be connected to a discharging mechanism, in this embodiment, a terminal 14 is fixed at the upper end of a conductive connection column 12, an elastic insulating cover is sleeved on the terminal 14, a lead connection portion is arranged on the elastic insulating cover, and a lead hole communicated with the elastic insulating cover is arranged on the lead connection portion. Like this, when the installation, the thunder and lightning drainage wire 15 is connected with terminal 14 on the spliced pole upper end after inserting elastic insulation cover through the pin hole, covers elastic insulation cover on terminal 14 again, carries out insulating seal to terminal 14, can stop the circuit effectively and drop the damage phenomenon, because elastic insulation cover has elasticity, applicable in not equidimension terminal 14, its shade is reliable, convenient to use.
As shown in fig. 1 to 5, the lower end of the clamp protector body 1 is further connected with an insulating connecting plate 17, an installation slot adapted to the lower end of the clamp protector body 1 in a clamping and inserting manner is formed in one end, connected to the clamp protector body 1, of the insulating connecting plate 17, and a connecting frame 18 is fixed to one end, far away from the installation slot, of the insulating connecting plate 17. When the clamp protector is installed, the lower end of the clamp protector body 1 can be inserted into the installation groove, and the insulating connecting plate 17 is made of insulating materials to avoid electric conduction. Furthermore, the connecting frame 18 and the insulating connecting plate 17 can be fixed on a line cross arm 19 of a power grid line after being fixed, and the lightning protection assembly is installed.
As shown in fig. 1 to 5, when the real-time monitoring module finishes signal acquisition and processing and transmits a data code, the data code is transmitted through a CDMA network transmitting module connected to the MCU cpu, and the CDMA network module is connected to an antenna interface 11 disposed on the surface of the monitoring housing 4. The antenna interface is connected with a CDMA transmitting antenna. The specific model and specification of the CDMA network sending module are selected according to the requirement. The CDMA transmitting antennas are connected through the antenna interface 11, so that the detachable installation is realized, and the installation convenience can be obviously improved. When the background receives data, the data receiving module selects a CDMA network receiving module, the CDMA network receiving module is connected to a CDMA receiving antenna 501 arranged on the surface of the receiving terminal 5, and the CDMA network receiving module is further connected to a data output interface arranged on the surface of the receiving terminal 5. The data output interface can be connected with a data line and connected with a PC, namely, a standard data line is adopted and is firstly connected with a USB port of the PC during installation, and then the data output interface at the other end of the data line is connected with the data line. The operator can view the relevant data on the PC.
As shown in fig. 1-5, the real-time monitoring component can also store data via the data storage module to prevent failure of the manner in which data is transmitted over the CDMA network. The data storage module is preferably connected with the MCU central processing unit by an EEPROM storage unit. In order to facilitate later-stage data transfer of operators, the data storage module is further connected with a communication reading interface, the communication reading interface is embedded in a data interface groove formed in the surface of the monitoring shell 4, the communication reading interface 401 facilitates use of external equipment to transfer and store data, and the data transfer device is suitable for operators to transfer data by using the external equipment when patrolling and examining.
As shown in fig. 1 to fig. 5, in this embodiment, in order to ensure uninterrupted power supply of the monitoring device, the power module has two power supply modes, specifically, solar power supply and external power supply. The power module comprises an external battery module and a solar battery module, an automatic conversion electronic switch is connected between the external battery module and the solar battery module, the external battery module is connected with an external power plug, the solar battery module is connected with a solar power supply plug, the solar power supply plug is plugged in a solar interface 402 arranged on the surface of the monitoring shell 4, and the external power plug is plugged in an external power interface 403 arranged on the surface of the monitoring shell 4. The automatic conversion electronic switch can adjust a power supply mode, and when the electric quantity of the external battery module is insufficient, the external battery module is switched to the solar battery module to supply power; similarly, when the electric quantity of the solar cell module is insufficient, the power supply can be automatically switched to the external cell module, and the power failure of the whole device during operation is guaranteed. The automatic conversion electronic switch is an electronic switch component widely applied to the field of switches, mainly adopts a solid-state relay for control, and technicians in the field can select corresponding models and specifications according to needs.
In the specification of the present invention, a large number of specific details are explained. It can be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. The utility model provides a power grid lightning monitoring protection system which characterized in that: the lightning protection module comprises a lightning protection module, a real-time monitoring module and a data receiving module;
the lightning protection assembly comprises a clamping protector body (1), the upper end of the clamping protector body (1) is connected with a discharging mechanism, the discharging mechanism comprises an upper discharging ball (2) and a lower discharging ball (3) which are oppositely arranged, and the upper discharging ball (2) can axially move along the clamping protector body (1);
the real-time monitoring assembly comprises a monitoring shell (4), a signal input mechanism connected with the clamping protector body (1) is arranged on the monitoring shell (4), a lightning current sensor connected with the signal input mechanism is arranged in the monitoring shell (4), and the lightning current sensor is connected with a control processing module for performing analog-to-digital conversion processing on a lightning current signal acquired by the lightning current sensor; the control processing module is also connected with a real-time service module, a data storage module, a data transmitting module and a power supply module;
the data receiving assembly comprises a receiving terminal (5), and a data receiving module matched with the data sending module is arranged in the receiving terminal (5).
2. The power grid lightning strike monitoring and protection system of claim 1, wherein:
the signal input mechanism comprises a fixing piece (6) which is arranged from top to bottom and fixed on the surface of the monitoring shell (4), each fixing piece (6) is provided with a line pressing piece (7), the line pressing groove (701) is formed in the line pressing piece (7), two ends of the line pressing piece (7) are fixedly fixed on the line pressing piece (7), and a monitoring line (8) which is electrically connected with the clamp protector body (1) is embedded in the line pressing groove (701).
3. The power grid lightning strike monitoring and protection system of claim 1, wherein:
a lower fixing plate (9) positioned below the lower discharge ball (3) is fixed at the upper end of the clamp protector body (1), an upper fixing plate (10) is arranged above the upper discharge ball (2), and an insulating fixing column (16) is fixed between the upper fixing plate (10) and the lower fixing plate (9); the clamp protector is characterized in that a fixed shaft sleeve (11) which is coaxial with the clamp protector body (1) is arranged at the geometric center of the upper fixed plate (10), a conductive connecting column (12) penetrates through the fixed shaft sleeve (11) movably, the lower end of the conductive connecting column (12) is fixedly connected with the upper discharge ball (2), and a plurality of fixing studs (13) are further screwed on the periphery of the fixed shaft sleeve (11).
4. The power grid lightning strike monitoring and protection system of claim 3, wherein:
the conductive connection pole is characterized in that a connection pole (14) is fixed at the upper end of the conductive connection pole (12), an elastic insulation cover is sleeved on the connection pole (14), a lead connection part is arranged on the elastic insulation cover, and a lead hole communicated with the elastic insulation cover is arranged on the lead connection part.
5. The power grid lightning strike monitoring and protection system of claim 1, wherein:
the clamp protector comprises a clamp protector body (1), and is characterized in that an insulating connecting plate (17) is further connected to the lower end of the clamp protector body (1), an installation slot matched with the clamp protector body (1) in a clamping and inserting mode is formed in one end, connected with the clamp protector body (1), of the insulating connecting plate (17), and a connecting frame (18) is fixed to one end, far away from the installation slot, of the insulating connecting plate (17).
6. The power grid lightning strike monitoring and protection system of claim 1, wherein:
the data receiving module comprises a CDMA network receiving module, the CDMA network receiving module is connected with a CDMA receiving antenna (501) arranged on the surface of the receiving terminal (5), and the CDMA network receiving module is also connected with a data output interface arranged on the surface of the receiving terminal (5).
7. The power grid lightning strike monitoring and protection system of claim 1, wherein:
the data sending module comprises a CDMA network sending module connected with the control processing module, and the CDMA network sending module is connected with an antenna interface arranged on the surface of the monitoring shell (4); the antenna interface is connected with a CDMA transmitting antenna.
8. The power grid lightning strike monitoring and protection system of claim 1, wherein:
the data storage module is connected with a communication reading interface, the communication reading interface is embedded in a data interface groove formed in the surface of the monitoring shell (4), a sealing strip is attached to the edge of the inner wall of the data interface groove, and a sealing block is clamped in a notch of the data interface groove.
9. The power grid lightning strike monitoring and protection system of claim 1, wherein:
the power module comprises an external battery module and a solar battery module, an automatic conversion electronic switch is connected between the external battery module and the solar battery module, the external battery module is connected with an external power plug, the solar battery module is connected with a solar power supply plug, the solar power supply plug is plugged in a solar interface (402) arranged on the surface of the monitoring shell (4), and the external power plug is plugged in an external power interface (403) arranged on the surface of the monitoring shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082917.5U CN209982028U (en) | 2019-07-11 | 2019-07-11 | Power grid lightning stroke monitoring and protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921082917.5U CN209982028U (en) | 2019-07-11 | 2019-07-11 | Power grid lightning stroke monitoring and protecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209982028U true CN209982028U (en) | 2020-01-21 |
Family
ID=69267151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921082917.5U Expired - Fee Related CN209982028U (en) | 2019-07-11 | 2019-07-11 | Power grid lightning stroke monitoring and protecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209982028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817248A (en) * | 2020-06-05 | 2020-10-23 | 云南电网有限责任公司大理供电局 | Comprehensive lightning protection method for 35kV power transmission line |
-
2019
- 2019-07-11 CN CN201921082917.5U patent/CN209982028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111817248A (en) * | 2020-06-05 | 2020-10-23 | 云南电网有限责任公司大理供电局 | Comprehensive lightning protection method for 35kV power transmission line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110780227A (en) | Online monitoring device and method for leakage current of lightning arrester of power transmission line | |
| CN102221641A (en) | On-line monitoring system for leakage current of high-voltage power transmission line insulator | |
| CN101505053B (en) | Power line protection method based on user boundary circuit breaker devices | |
| CN103149421A (en) | High voltage cable metal sheath grounding current online monitoring system | |
| CN209982028U (en) | Power grid lightning stroke monitoring and protecting system | |
| CN110571744B (en) | 10KV distribution line protection device and system for lightning | |
| CN202720299U (en) | Insulator leakage current on-line monitoring system | |
| CN204065293U (en) | With the lightning arrester on-Line Monitor Device of function of shielding | |
| CN204065294U (en) | With the lightning arrester line monitor signal harvester of function of shielding | |
| CN103795052A (en) | Data signal line RS-485 intelligent anti-lighting device and method | |
| CN108020737A (en) | A kind of distribution line monitoring method | |
| CN210572479U (en) | Lightning information monitoring device for electric power system | |
| CN208125858U (en) | A kind of positioning of fuse switch and condition monitoring system | |
| CN206362868U (en) | Arrester on-line intelligence monitoring system | |
| CN205210162U (en) | High tension cable sheath earth current on -line monitoring system | |
| CN201689150U (en) | High-voltage power transmission insulator arc-over accurate positioning device | |
| CN212083613U (en) | Ultraviolet pulse sensing node | |
| CN209844208U (en) | Electric wire netting thunderbolt clamping protection device | |
| CN213398744U (en) | Monitoring device of lightning arrester | |
| CN202661528U (en) | Optical fiber type combined voltage and current measuring device | |
| CN212622994U (en) | Transmission line arrester leakage current on-line monitoring device | |
| CN104764935A (en) | Resistance test equipment | |
| CN201263078Y (en) | Integrated equipment of user demarcation circuit breaker | |
| CN102955101B (en) | Precise positioning system for insulator faults | |
| CN204462245U (en) | A kind of overvoltage on-line monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |