CN217303858U - Transmission line icing monitoring devices - Google Patents
Transmission line icing monitoring devices Download PDFInfo
- Publication number
- CN217303858U CN217303858U CN202122895552.1U CN202122895552U CN217303858U CN 217303858 U CN217303858 U CN 217303858U CN 202122895552 U CN202122895552 U CN 202122895552U CN 217303858 U CN217303858 U CN 217303858U
- Authority
- CN
- China
- Prior art keywords
- monitoring
- transmission line
- icing
- control panel
- adjusting mechanism
- 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.)
- Active
Links
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
The utility model provides a transmission line icing monitoring devices, wherein transmission line icing monitoring devices includes the equipment box, the equipment box sets up on the shaft tower cross arm, be provided with the photovoltaic board on the equipment box, be provided with first adjustment mechanism and control panel in the equipment box, first adjustment mechanism is connected with second adjustment mechanism, be provided with the image monitoring subassembly that is used for monitoring external environment on the second adjustment mechanism, be provided with control panel in the equipment box, control panel respectively with the photovoltaic board, first adjustment mechanism, second adjustment mechanism and image monitoring subassembly electricity are connected. Through installing transmission line icing monitoring devices on the shaft tower cross arm, utilize first adjustment mechanism and second adjustment mechanism can realize the front and back up-and-down regulation of image monitoring subassembly, and then realize multi-angle image monitoring on a large scale, be convenient for acquire transmission line icing image information more directly perceived.
Description
Technical Field
The utility model relates to a transmission line icing monitoring devices.
Background
The ice coating of the power transmission line is continuously increased, the load of a lead is increased, and the load exceeds the mechanical strength of hardware fittings, so that the line is broken; meanwhile, the loads of all parts of the tower and the tower foundation can be increased, the tower foundation can be descended and inclined when the loads exceed a certain limit value of the mechanical strength of the tower, and some parts of the tower foundation can be broken or even collapsed, so that the wire load is increased, and the wire breakage can be caused when the loads exceed the mechanical strength of the hardware fitting. At present, a plurality of monitoring models are researched and developed in the aspect of monitoring the icing state of the power transmission line, and although the monitoring models can play a role in early warning to a certain extent, the outdoor environment influence factors are more, and engineering personnel cannot visually know the icing condition of the power transmission line, and only rely on the monitoring models to perform early warning analysis, so that certain errors exist.
SUMMERY OF THE UTILITY MODEL
To in the present transmission line state monitoring of icing, the engineer can not understand the transmission line condition of icing directly perceivedly, only relies on the technical problem that monitoring model early warning analysis exists certain error, the utility model provides a transmission line monitoring devices that ices.
In order to solve the above problem, the technical scheme of the utility model is so realized:
the application discloses a power transmission line icing monitoring device, which comprises an equipment box, wherein the equipment box is arranged on a cross arm of a tower, a photovoltaic panel is arranged on the equipment box, a first adjusting mechanism and a control panel are arranged in the equipment box, the power transmission line icing monitoring device also comprises a second adjusting mechanism connected with the first adjusting mechanism, an image monitoring assembly used for monitoring an external environment is arranged on the second adjusting mechanism, a control panel is arranged in the equipment box, the control panel is respectively electrically connected with the photovoltaic panel, the first adjusting mechanism, the second adjusting mechanism and the image monitoring assembly, the first adjusting mechanism comprises a mounting frame, an adjusting cylinder is arranged on the mounting frame, and the adjusting cylinder is fixedly connected with the second adjusting mechanism; the two sides of the mounting rack are respectively provided with an auxiliary sliding sleeve in a sliding manner, and the auxiliary sliding sleeves are fixedly connected with the second adjusting mechanism; the adjusting cylinder is electrically connected with the control panel through a first relay.
This application is through installing transmission line icing monitoring devices on shaft tower cross arm, utilizes first adjustment mechanism and second adjustment mechanism can realize adjusting from top to bottom around the image monitoring subassembly, and then realizes multi-angle image monitoring on a large scale, is convenient for acquire transmission line icing image information more directly perceived, and the engineer of being convenient for combines icing image and monitoring model integrated analysis, reduces only through monitoring model early warning error.
Preferably, the equipment box is externally provided with an insulator string tension monitoring module and a meteorological monitoring module, and the insulator string tension monitoring module and the meteorological monitoring module are electrically connected with the control panel.
Preferably, the insulator string tension monitoring module comprises a tension sensor, one end of the tension sensor is connected with the insulator string, and the other end of the tension sensor is connected with the tower cross arm; the meteorological monitoring module includes wind speed monitor and temperature sensor, wind speed monitor and temperature sensor set up the equipment box is outside, tension sensor wind speed monitor with temperature sensor all with the control panel electricity is connected.
Preferably, the cross sectional shape of mounting bracket is the H type, adjust the air cylinder and be located the central point department of mounting bracket, supplementary sliding sleeve symmetry respectively sets up the both sides of mounting bracket.
Preferably, the auxiliary sliding sleeve comprises two sets of sliding pieces, the sliding pieces are buckled on the mounting frame and are detachably connected, and the sliding pieces are connected with the second adjusting mechanism through connecting rods.
Preferably, the second adjusting mechanism comprises a fixed plate, two sides of the fixed plate are connected with the auxiliary sliding sleeve through connecting rods, and the central position of the fixed plate is connected with the telescopic end of the adjusting cylinder; a swing motor is arranged on the fixed plate, and a power shaft of the swing motor is connected with the image monitoring assembly; the swing motor is electrically connected with the control panel through a second relay.
Preferably, the image monitoring assembly comprises a high-definition night vision camera, the bottom of the high-definition night vision camera is arranged on the fixing plate, a transparent protective cover is sleeved outside the high-definition night vision camera, and the high-definition night vision camera is electrically connected with the control panel.
Preferably, the last photovoltaic battery that is provided with of control panel, the photovoltaic battery with the photovoltaic board is electric to be connected, control panel is last to carry out DSP signal processing board, DSP signal processing board's power input end with respectively with photovoltaic battery electricity is connected, DSP signal processing board's I/O port is connected with first relay and second relay electricity respectively, DSP signal processing board's UART port respectively with image monitoring subassembly and communication module electricity are connected.
Preferably, the communication module includes zigbee communication module, GPRS communication module and zigbee repeater, zigbee communication module the GPRS communication module and the zigbee repeater all with DSP signal processing board's UART port electricity is connected, DSP signal processing board passes through GPRS communication module is connected with ground control end communication.
According to the method and the device, the icing monitoring device of the transmission line is arranged in the tower within the corresponding distance in the transmission line network, the icing state of the regional transmission line or the icing state of the whole transmission line can be acquired in real time, and when part of node communication faults or communication signals are weak, the self-networking can be realized by the icing monitoring device of the adjacent transmission line, and the stable transmission of monitoring information is improved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the method, the transmission line icing monitoring device is mounted on the cross arm of the tower, and the first adjusting mechanism and the second adjusting mechanism can be used for adjusting the image monitoring assembly back and forth and up and down, so that multi-angle large-range image monitoring is realized, transmission line icing image information can be conveniently and visually acquired, engineering personnel can conveniently combine icing images and a monitoring model for comprehensive analysis, and early warning errors only through the monitoring model are reduced;
2. according to the method and the device, the icing monitoring device of the transmission line is arranged in the tower within the corresponding distance in the transmission line network, the icing state of the regional transmission line or the icing state of the whole transmission line can be acquired in real time, and when part of node communication faults or communication signals are weak, the self-networking can be realized by the icing monitoring device of the adjacent transmission line, and the stable transmission of monitoring information is improved.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the present application.
Fig. 2 is a schematic view of the internal structure of the present application.
Fig. 3 is a schematic structural diagram of the first adjusting mechanism in fig. 2.
In the figure, 1 is the equipment box, 2 is the photovoltaic board, 3 is second adjustment mechanism, 31 is the fixed plate, 4 is transparent protection casing, 5 is the mounting bracket, 6 is supplementary sliding sleeve, 7 is adjust cylinder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
The application provides a transmission line icing monitoring devices, including the equipment box, the equipment box sets up on the shaft tower cross arm, be provided with the photovoltaic board on the equipment box, be provided with first adjustment mechanism and control panel in the equipment box, still include with the second adjustment mechanism that first adjustment mechanism is connected, be provided with the image monitoring subassembly that is used for monitoring external environment on the second adjustment mechanism, be provided with control panel in the equipment box, control panel respectively with the photovoltaic board first adjustment mechanism second adjustment mechanism and the image monitoring subassembly electricity is connected.
This application is through installing transmission line icing monitoring devices on the shaft tower cross arm, utilizes first adjustment mechanism and second adjustment mechanism can realize the front and back upper and lower regulation of image monitoring subassembly, and then realizes multi-angle image monitoring on a large scale, is convenient for acquire transmission line icing image information more directly perceived, and the engineer of being convenient for combines icing image and monitoring model integrated analysis, reduces only through monitoring model early warning error.
The application also provides a power transmission line icing monitoring system which comprises a plurality of power transmission line icing monitoring devices, wherein the plurality of power transmission line icing monitoring devices are respectively and correspondingly arranged on the cross arm of the tower; and the adjacent power transmission line icing monitoring devices are in communication connection with the zigbee repeater through the zigbee communication module.
According to the method and the device, the icing monitoring device of the transmission line is arranged in the tower within the corresponding distance in the transmission line network, the icing state of the regional transmission line or the icing state of the whole transmission line can be acquired in real time, and when part of node communication faults or communication signals are weak, the self-networking can be realized by the icing monitoring device of the adjacent transmission line, and the stable transmission of monitoring information is improved.
The following specifically describes the technical scheme of the present application with reference to fig. 1-3:
example one
The application discloses transmission line icing monitoring devices, including equipment box 1, equipment box 1 sets up on the shaft tower cross arm, be provided with photovoltaic board 2 on the equipment box 1, be provided with control panel in the equipment box 1, 1 outside insulator chain tension monitoring module and meteorological monitoring module of being provided with of equipment box, insulator chain tension monitoring module and meteorological monitoring module all with control panel electricity is connected. That is to say, still be provided with the pulling force monitoring module that is used for monitoring insulator chain atress condition and be used for monitoring outside meteorological parameter's meteorological monitoring module in the outside of equipment box, insulator chain pulling force monitoring module and meteorological monitoring module transmit monitoring information to control panel in real time, and control panel forwards the monitoring signal who receives to ground control end in real time. It is main to need, photovoltaic board as main power supply in this application, wherein the equipment box still disposes stand-by power supply, guarantees under continuous overcast and rainy weather, the normal steady operation of whole equipment.
Specifically, the insulator string tension monitoring module comprises a tension sensor, one end of the tension sensor is connected with the insulator string, and the other end of the tension sensor is connected with the tower cross arm; the meteorological monitoring module includes wind speed monitor and temperature sensor, wind speed monitor and temperature sensor set up the equipment box is outside, tension sensor wind speed monitor with temperature sensor all with the control panel electricity is connected. That is to say, utilize tension sensor real-time supervision insulator chain atress change, wind speed monitor and temperature sensor real-time supervision outside wind speed change and temperature variation simultaneously, tension sensor, wind speed monitor and temperature sensor are connected with the SPI port on the control panel respectively, control panel receives insulator chain pulling force change signal, wind speed change signal and temperature change signal in real time, control panel forwards the pulling force change value, wind speed change value and temperature change value to ground control end simultaneously, be convenient for ground staff to combine the comprehensive analysis transmission line state of icing according to multinomial parameter. It should be noted that the monitoring model is an early warning model for monitoring the icing state of the current power transmission line, the vertical span of the associated tower is calculated according to the stress value of the wire of the power transmission line based on edge calculation, the corresponding wire length and the load of the unit length of the wire after icing are calculated according to the vertical span, then the icing load of the unit length of the wire is calculated according to the difference value of the load of the unit length of the wire after icing and the self load of the unit length of the wire, and finally the icing thickness of the wire is calculated according to the icing load of the unit length of the wire.
A first adjusting mechanism is arranged in the equipment box 1 and connected with the second adjusting mechanism 3, the first adjusting mechanism comprises a mounting frame 5, an adjusting cylinder 7 is arranged on the mounting frame 5, and the adjusting cylinder 7 is fixedly connected with the second adjusting mechanism 3; two sides of the mounting frame 5 are respectively provided with an auxiliary sliding sleeve 6 in a sliding manner, and the auxiliary sliding sleeves 6 are fixedly connected with the second adjusting mechanism 3; the adjusting cylinder 7 is electrically connected with the control panel through a first relay. That is to say, utilize actuating cylinder can drive second adjustment mechanism and image monitoring subassembly and outwards stretch out, be convenient for improve the image monitoring scope, when actuating cylinder promotes the removal of second adjustment mechanism, the stability of second adjustment mechanism slip release process is guaranteed to the supplementary sliding sleeve of mounting bracket both sides, avoids second adjustment mechanism to appear trembleing.
In some embodiments, the cross-sectional shape of the mounting frame 5 is an H-shape, the adjusting cylinder 7 is located at the center of the mounting frame 5, and the auxiliary sliding sleeves 6 are symmetrically arranged on two sides of the mounting frame 5 respectively. That is to say, with the both sides of auxiliary sliding sleeve symmetrical arrangement at the mounting bracket, adjusting cylinder is located the central point department of putting of mounting bracket, guarantees the whole stress balance of second adjustment mechanism, improves the stability of second adjustment mechanism slip in-process.
In some embodiments, the auxiliary sliding sleeve 6 includes two sets of sliding pieces, the two sets of sliding pieces are fastened on the mounting frame 5 and detachably connected, and the two sets of sliding pieces are respectively connected to the second adjusting mechanism 3 through a connecting rod. That is to say, utilize two sets of gleitbretter symmetry locks wholly to constitute supplementary sliding sleeve in mounting bracket one side, avoid the condition that the slippage appears in two sets of gleitbretters to two sets of gleitbretters pass through the bolt butt joint, convenient to detach when follow-up change is maintained.
An image monitoring assembly for monitoring an external environment is arranged on the second adjusting mechanism 3, the second adjusting mechanism 3 comprises a fixing plate 31, two sides of the fixing plate 31 are connected with the auxiliary sliding sleeve 6 through connecting rods, and the center position of the fixing plate 31 is connected with the telescopic end of the adjusting cylinder 7; a swing motor is arranged on the fixed plate 31, and a power shaft of the swing motor is connected with the image monitoring assembly; the swing motor is electrically connected with the control panel through a second relay. That is to say, at the flexible end installation swing motor of adjustment cylinder, utilize swing motor can drive the up-and-down motion of image monitoring subassembly, adjust the monitoring visual angle, and then improve whole monitoring range, be convenient for the staff and observe the icing condition of different positions department transmission line.
The image monitoring assembly comprises a high-definition night vision camera, the bottom of the high-definition night vision camera is arranged on the fixing plate, a transparent protective cover 4 is sleeved outside the high-definition night vision camera, and the high-definition night vision camera is electrically connected with the control panel. That is to say, utilize high definition night vision camera can realize all-weather image monitoring to establish transparent protection casing at high definition night vision camera's outside cover, avoid outside object striking to damage high definition night vision camera.
Control panel respectively with photovoltaic board 2 first adjustment mechanism second adjustment mechanism 3 and the image monitoring subassembly electricity is connected, the last photovoltaic battery that is provided with of control panel, the photovoltaic battery with the photovoltaic board 2 electricity is connected, the last DSP signal processing board that carries of control panel, the power input of DSP signal processing board with respectively with the photovoltaic battery electricity is connected, the IO port of DSP signal processing board is connected with first relay and second relay electricity respectively, the UART port of DSP signal processing board respectively with image monitoring subassembly and communication module electricity are connected. That is to say, DSP signal processing board receives each monitoring facilities monitoring signal, and DSP signal processing board passes through communication module with the monitoring value and forwards to ground control end simultaneously to but ground control end remote control high definition night vision camera's shooting position, ground control end passes through communication module and sends control signal to DSP signal processing board, DSP signal processing board control corresponding first relay and/or second relay closure, and then control adjusting cylinder and/or swing electric action adjust high definition night vision camera's shooting position and shooting angle.
The communication module includes zigbee communication module, GPRS communication module and zigbee repeater, zigbee communication module GPRS communication module and zigbee repeater all with the UART port electricity of DSP signal processing board is connected, DSP signal processing board passes through GPRS communication module is connected with ground control end communication. That is to say, under the normal communication state, the DSP signal processing board realizes the communication with the ground monitoring terminal through the GPRS communication module, and when the communication signal is weak or the signal fault occurs, the DSP signal processing board realizes the signal transmission through the zigbee communication module and the zigbee repeater, thereby ensuring the normal signal transmission.
Example two
The application also discloses a power transmission line icing monitoring system which comprises a plurality of power transmission line icing monitoring devices, wherein the plurality of power transmission line icing monitoring devices are respectively and correspondingly arranged on the cross arm of the tower; and the adjacent transmission line icing monitoring devices are in communication connection with the zigbee repeater through the zigbee communication module. That is to say, by arranging the transmission line icing monitoring device in the tower within the corresponding distance, image information can be acquired in real time for the icing state of the regional transmission line or the icing state of the whole transmission line, and when part of node communication faults or communication signals are weak, ad hoc networking can be realized by using the adjacent transmission line icing monitoring device, the DSP signal processing board sends signals to the adjacent monitoring device through the zigbee communication module, after receiving the signals sent by the adjacent monitoring device, the corresponding monitoring device realizes signal hopping transmission through the configured zigbee repeater, and the stable transmission of the monitoring information is integrally improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The device for monitoring the icing of the power transmission line is characterized by comprising an equipment box, wherein the equipment box is arranged on a cross arm of a tower, a photovoltaic panel is arranged on the equipment box, a first adjusting mechanism and a control panel are arranged in the equipment box, the device also comprises a second adjusting mechanism connected with the first adjusting mechanism, an image monitoring component for monitoring an external environment is arranged on the second adjusting mechanism, a control panel is arranged in the equipment box, the control panel is respectively and electrically connected with the photovoltaic panel, the first adjusting mechanism, the second adjusting mechanism and the image monitoring component, the first adjusting mechanism comprises a mounting frame, an adjusting cylinder is arranged on the mounting frame, and the adjusting cylinder is fixedly connected with the second adjusting mechanism; the two sides of the mounting rack are respectively provided with an auxiliary sliding sleeve in a sliding manner, and the auxiliary sliding sleeves are fixedly connected with the second adjusting mechanism; the adjusting cylinder is electrically connected with the control panel through a first relay.
2. The device for monitoring the icing on the power transmission line according to claim 1, wherein an insulator string tension monitoring module and a meteorological monitoring module are arranged outside the equipment box, and both the insulator string tension monitoring module and the meteorological monitoring module are electrically connected with the control panel.
3. The transmission line icing monitoring device of claim 2, wherein the insulator string tension monitoring module comprises a tension sensor, one end of the tension sensor is connected with the insulator string, and the other end of the tension sensor is connected with the tower cross arm; the meteorological monitoring module includes wind speed monitor and temperature sensor, wind speed monitor and temperature sensor set up the equipment box is outside, tension sensor wind speed monitor with temperature sensor all with the control panel electricity is connected.
4. The device for monitoring icing on the power transmission line according to claim 1, wherein the cross section of the mounting frame is H-shaped, the adjusting cylinder is located at the center of the mounting frame, and the auxiliary sliding sleeves are symmetrically arranged on two sides of the mounting frame respectively.
5. The device for monitoring the icing on the transmission line according to claim 1, wherein the auxiliary sliding sleeve comprises two sets of sliding pieces, the two sets of sliding pieces are buckled on the mounting frame and detachably connected, and the two sets of sliding pieces are respectively connected with the second adjusting mechanism through connecting rods.
6. The device for monitoring the icing of the power transmission line according to claim 5, wherein the second adjusting mechanism comprises a fixed plate, two sides of the fixed plate are connected with the auxiliary sliding sleeve through connecting rods, and the center position of the fixed plate is connected with the telescopic end of the adjusting cylinder; a swing motor is arranged on the fixed plate, and a power shaft of the swing motor is connected with the image monitoring assembly; the swing motor is electrically connected with the control panel through a second relay.
7. The device for monitoring the icing on the power transmission line as claimed in claim 6, wherein the image monitoring assembly comprises a high-definition night vision camera, the bottom of the high-definition night vision camera is arranged on the fixing plate, a transparent protective cover is sleeved outside the high-definition night vision camera, and the high-definition night vision camera is electrically connected with the control panel.
8. The device for monitoring icing on the transmission line according to claim 1, wherein a photovoltaic storage battery is arranged on the control panel, the photovoltaic storage battery is electrically connected with the photovoltaic panel, a DSP signal processing board is mounted on the control panel, a power input end of the DSP signal processing board is electrically connected with the photovoltaic storage battery, an I/O port of the DSP signal processing board is electrically connected with the first relay and the second relay, and a UART port of the DSP signal processing board is electrically connected with the image monitoring assembly and the communication module.
9. The transmission line icing monitoring device of claim 8, wherein the communication module comprises a zigbee communication module, a GPRS communication module and a zigbee repeater, the zigbee communication module, the GPRS communication module and the zigbee repeater are electrically connected with the UART port of the DSP signal processing board, and the DSP signal processing board is in communication connection with a ground monitoring terminal through the GPRS communication module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122895552.1U CN217303858U (en) | 2021-11-24 | 2021-11-24 | Transmission line icing monitoring devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122895552.1U CN217303858U (en) | 2021-11-24 | 2021-11-24 | Transmission line icing monitoring devices |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217303858U true CN217303858U (en) | 2022-08-26 |
Family
ID=82912142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122895552.1U Active CN217303858U (en) | 2021-11-24 | 2021-11-24 | Transmission line icing monitoring devices |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217303858U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115914566A (en) * | 2022-10-31 | 2023-04-04 | 国网安徽省电力有限公司马鞍山供电公司 | Transmission line micrometeorology and wet snow covering monitoring devices |
-
2021
- 2021-11-24 CN CN202122895552.1U patent/CN217303858U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115914566A (en) * | 2022-10-31 | 2023-04-04 | 国网安徽省电力有限公司马鞍山供电公司 | Transmission line micrometeorology and wet snow covering monitoring devices |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012167579A1 (en) | Method and system for monitoring power transmission line of power grid | |
CN111442752B (en) | Method for monitoring equivalent icing thickness of power transmission line | |
KR20100052855A (en) | The transmission line watch diagnostic system and its method | |
CN217303858U (en) | Transmission line icing monitoring devices | |
CN103186971B (en) | Security system for manual valve chamber of long-distance pipeline | |
CN200975900Y (en) | Online early-warning device for icing and galloping of transmission line | |
CN102522822A (en) | On-line monitoring system of high-altitude and high-voltage power transmission line | |
CN109596160A (en) | It is a kind of for monitoring the monitoring device of power transmission tower state | |
CN107131992B (en) | Tension monitoring and fine-tuning system for extra-high voltage line | |
CN114636439A (en) | Internet of things power detection system based on cloud computing platform | |
CN211653038U (en) | Overhead remote transmission transient characteristic type fault indicator | |
CN113674512A (en) | Online monitoring and early warning system and method for live cross-over construction site | |
CN112003183A (en) | Power transmission network fault processing system and method | |
CN207869275U (en) | Double frequency mutually helps radio transmitting device | |
CN216647954U (en) | Lightning protection and lightning monitoring type grading ring | |
CN221425712U (en) | Icing on-line monitoring device | |
CN110850892A (en) | Power transmission tower image identification system and identification method thereof | |
CN216215267U (en) | Intelligent assembled box transformer substation for railway | |
CN109360372A (en) | A kind of covering ice for insulator method for early warning | |
CN217403409U (en) | Drop-out device on-line monitoring system | |
CN221445192U (en) | Remote wireless iron tower real-time monitoring system | |
CN217304024U (en) | Portable intelligent ice observation device for power transmission line | |
CN217720505U (en) | Unmanned vehicle for overhead line inspection | |
CN218181128U (en) | Electric power design meteorological monitoring device | |
CN208833412U (en) | A kind of power circuit icing tension imbalance detection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |