CN211401292U - Monitoring management and control system based on novel power transmission line multidimensional sensing - Google Patents
Monitoring management and control system based on novel power transmission line multidimensional sensing Download PDFInfo
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- CN211401292U CN211401292U CN201922502334.XU CN201922502334U CN211401292U CN 211401292 U CN211401292 U CN 211401292U CN 201922502334 U CN201922502334 U CN 201922502334U CN 211401292 U CN211401292 U CN 211401292U
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Abstract
The utility model relates to a monitoring management and control system based on novel transmission line multidimension perception, including setting up monitoring unit, power supply unit and the control unit on transmission tower respectively and the alarm indication subassembly and the display screen of being connected with electric wire netting surveillance center platform, the control unit pass through communication module and be connected with monitoring unit and alarm indication subassembly respectively, the power supply unit be connected with control unit and monitoring unit through the electric wire respectively, the monitoring unit is including icing strong wind detection component, mountain fire detection component and thunder and lightning detection component, alarm indication component and display screen interconnect, compare with prior art, the utility model has the advantages of detect reliably, simple to operate.
Description
Technical Field
The utility model belongs to the technical field of the transmission line management and control and specifically relates to a monitoring management and control system based on novel transmission line multidimension perception is related to.
Background
Most of the transmission lines are distributed in the field, the coverage area of the transmission lines is wide, the geographical environment and the climatic conditions of the transmission lines are severe, the transmission lines can often meet the extreme climatic weather of thunder and strong wind, and the ice coating phenomenon is very common in winter or in cold regions. Meanwhile, with the adoption of a forest protection policy of 'returning to cultivation' in China in recent years, the forest coverage rate and vegetation density are remarkably increased, and the power transmission line passing through a mountain area is often threatened by forest fire. Particularly, in dry autumn and winter, the peasants can burn mountain fire due to the reasons of burning grass, burning incense for ancestors, setting off firecrackers and the like.
The accidents such as conductor galloping, tower inclination, collapse, wire breakage, insulator flashover, communication interruption and the like caused by strong wind and ice coating are one of important factors influencing the safe and stable operation of the power transmission line, the ice coating thickness of the power transmission line is continuously increased due to continuous low-temperature freezing weather, and the accidents of tower falling and wire breakage can be caused in severe cases. The sudden fire of the mountain can generate large-area dense smoke, and the dense smoke can destroy the insulativity of air, so that the air gap around the line charged body is broken down to trip, and a major power accident is caused.
In order to prevent the transmission line from being damaged due to severe weather or sudden environmental disasters and influence normal transmission, the state of the transmission line needs to be monitored on line, the condition of the transmission line is monitored in real time, and the transmission line can respond in time when or before a dangerous case occurs, so that the comprehensive control capability of the power grid of the transmission line is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monitoring management and control system based on novel transmission line multidimension perception in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a monitoring management and control system based on novel transmission line multidimension perception, includes monitoring unit, power supply unit and the control unit that sets up respectively on power transmission tower and the alarm indication subassembly and the display screen of being connected with electric wire netting surveillance center platform, the control unit pass through communication module and be connected with monitoring unit and alarm indication subassembly respectively, the power supply unit be connected with control unit and monitoring unit through the electric wire respectively, monitoring unit includes icing gale detection subassembly, mountain fire detection subassembly and thunder and lightning detection subassembly, alarm indication subassembly and display screen interconnect.
Furthermore, the icing strong wind detection assembly is arranged at the upper part of the power transmission tower and at the same height with the power transmission line, the icing strong wind detection assembly comprises a simulation lead, a camera, an environment monitor, a tension sensor and an inclination angle sensor, the simulation lead and the camera are respectively and fixedly arranged on the power transmission tower through lead brackets, the camera faces the simulation lead and is connected with a display screen through a communication module to transmit an image of the icing condition of the simulation lead, the tension sensor and the inclination angle sensor are arranged between the power transmission tower and an insulator, the control unit is respectively connected with the environment monitor, the tension sensor and the inclination angle sensor, when the control unit receives the overlarge tension of the power transmission line detected by the tension sensor, the control unit transmits the inclination angle information through the field environment detected by the environment monitor and the inclination angle sensor, the control unit and the environment monitor are fixedly hung on the upper part of the power transmission tower through the protection box body respectively.
Furthermore, the environment monitor comprises a wind speed monitor, a wind direction monitor, a humidity monitor and a temperature monitor, the tension sensor is a strain gauge type pressure sensor and is used for detecting the pressure borne by the power transmission line, the inclination sensor is arranged on the tension sensor and is used for detecting the angle change of the tension sensor along the direction of the power transmission line and along the vertical direction of the power transmission line, when the inclination sensor detects that the inclination of the tension sensor is vertical to the downward direction of the power transmission line, the control unit judges the ice coating, after the control unit carries out preliminary judgment, the control unit transmits a signal to the alarm indicating component, meanwhile, the display screen displays the ice coating condition of an analog lead shot by the camera and assists in judging whether the ice coating and the ice coating thickness, maintenance personnel can be arranged for maintenance according to the condition, when the inclination sensor detects that the inclination of the tension sensor is in other directions, the control unit, and judging whether the wind is strong wind or not, and transmitting a signal to an alarm indicating component.
Further, the wire support include pole setting, L type knee and solid fixed ring, solid fixed ring fixed set up in the pole setting top, and its internal diameter is the same with the external diameter of simulation wire, the simulation wire fixed pass solid fixed ring, and parallel with ground, the diameter and the width of simulation wire are the same with actual transmission line, the one end of L type knee fixed set up in the pole setting middle part, the other end is seted up the mounting hole and is upwards extended to and simulate the same height of wire, the camera install in the mounting hole, the camera directly returns the icing condition on the simulation wire, as the auxiliary means of judging the on-the-spot icing condition.
More preferably, the wire support is a hollow tubular support, the interior of the wire support is filled with an electric heating wire, the shape and the material of the simulation wire are the same as those of the transmission line, the interior of the simulation wire is filled with the electric heating wire, the electric heating wire is connected with the power supply unit, and after maintenance personnel clear ice on the transmission line, the electric heating wire is started to heat the simulation wire, so that the ice on the simulation wire is also eliminated.
Furthermore, the mountain fire detection assembly is arranged at the lower part of the power transmission iron tower and comprises a fixed rod, a rotary rod, a luminous camera and an infrared heat detection sensor, the fixed rod is fixedly arranged on the power transmission iron tower and is vertical to the ground, the rotary rod is hinged with the top end of the fixed rod and rotates by taking the fixed rod as an axis, the luminous camera is arranged on the rotary rod through a luminous camera mounting platform and is close to a hinge point, the infrared heat detection sensor is arranged on the rotary rod and is close to a near end point through the infrared heat detection mounting platform, the height of the luminous camera mounting platform is higher than that of the infrared heat detection mounting platform, the luminous camera and the infrared heat detection sensor rotate along with the rotary rod to monitor the fire condition in the forest around at any time, the luminous camera is connected with the display screen through a communication module, and the infrared heat detection sensor is connected with the control unit, the luminous camera shoots surrounding fire information and displays on the display screen, and the infrared heat-detecting sensor detects the flame burning condition and can penetrate interference factors such as haze and the like.
Furthermore, the lightning detection assembly comprises two lightning mutual inductors arranged on the power transmission line and a GPS (global positioning system) positioner arranged on the power transmission tower, and the two lightning mutual inductors and the GPS positioner are respectively connected with the control unit.
Furthermore, the alarm indication assembly comprises an ice covering indicator lamp, a strong wind early warning indicator lamp, a wildfire indicator lamp, a thunder indicator lamp and a thunder early warning indicator lamp, the ice covering indicator lamp, the strong wind indicator lamp, the wildfire indicator lamp and the thunder indicator lamp are respectively connected with the control unit through communication modules, the wildwind early warning indicator lamp and the thunder early warning indicator lamp are respectively connected with the meteorological prediction platform through the monitoring center platform and are connected with the meteorological prediction platform, possible thunder accidents and strong wind accidents can be early warned in advance, advance preparation is made for maintenance and overhaul of the power transmission line, and the monitoring of the power transmission line has pertinence.
Further preferably, the communication module is a 4G communication module or a GPRS communication module.
Further preferably, the power supply unit comprises a solar electric plate, a storage battery and a wind power generator, the solar electric plate and the wind power generator are installed at the top of the power transmission iron tower, the storage battery is arranged at the same height with the monitoring unit, outdoor energy is fully utilized, the power supply requirement of outdoor components is met, meanwhile, surplus power is stored through the storage battery, the power supply is prevented from being influenced by continuous absence of wind and rain in the environment, the storage battery is close to the monitoring unit and the control unit, and loss in the power transmission process is reduced.
Compared with the prior art, the utility model has the advantages of it is following:
1) the utility model discloses an install the detection device who is used for monitoring icing, strong wind, thunder and lightning and mountain fire simultaneously on transmission tower, provide the omnidirectional monitoring information of transmission line, the real-time supervision transmission line condition, in time react when taking place or before taking place, improve the omnidirectional management and control ability to the transmission line electric wire netting;
2) the utility model discloses according to the characteristic that the effect that strong wind and icing produced is similar to transmission line, use one set of subassembly to detect strong wind and icing simultaneously, reduce the components and parts quantity in the system, easy to assemble and reduce cost, through increasing the supplementary detection device of icing and strong wind simultaneously, improve the reliability of testing result;
3) the utility model discloses a strong wind early warning pilot lamp and thunder and lightning early warning pilot lamp are connected with meteorological prediction platform through the surveillance center platform respectively, and the thunder and lightning accident and the strong wind accident that can take place in advance the early warning are prepared in advance for transmission line's maintenance, have more to have corresponding to transmission line's monitoring.
Drawings
FIG. 1 is a schematic structural diagram of a monitoring management system;
FIG. 2 is a schematic view of structural installation at a power transmission tower;
FIG. 3 is a schematic diagram of an arrangement structure of an analog lead and a camera;
fig. 4 is a schematic structural diagram of the mountain fire detection assembly.
Wherein: 1. the device comprises a power transmission iron tower, 2, a mountain fire detection assembly, 21, a noctilucent camera, 22, an infrared heat detection sensor, 23, an infrared heat detection mounting table, 24, a noctilucent camera mounting table, 25, a fixing rod, 26, a rotating rod, 3, an insulator, 4, a control unit, 5, a protection box body, 61, a simulation lead, 62, an environment monitor, 63, an inclination angle sensor, 64, a tension sensor, 65, a camera, 66, a mounting hole, 67, an L-shaped bent rod, 68, a vertical rod, 69, an electric heating wire, 610, a fixing ring, 611, a lead bracket, 71, a wind power generator, 72, a solar panel, 73, a storage battery, 8, a GPS (global positioning system) positioner, 9 and a power transmission line.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example (b):
as shown in fig. 1, the utility model provides a monitoring management and control system of power transmission line, including setting up monitoring unit, power supply unit and the control unit 4 on steel pylons 1 respectively and the warning that is connected with electric wire netting surveillance center platform indicates subassembly and display screen. The control unit 4 is connected with the monitoring unit and the alarm indicating component through the communication module respectively, the power supply unit is connected with the control unit 4 and the monitoring unit through electric wires respectively, and the alarm indicating component is connected with the display screen.
The monitoring unit comprises an icing strong wind detection assembly, a mountain fire detection assembly 2 and a thunder and lightning detection assembly. As shown in fig. 2 and 3, the icing gale detection assembly is disposed on the upper portion of the transmission tower 1 at the same height as the transmission line 9, and includes a simulation lead 61, a camera 65, an environment monitor 62, a tension sensor 64 and an inclination sensor 63, the simulation lead 61 and the camera 65 are respectively fixed on the transmission tower 1 through a lead bracket 611 and connected with a display screen through a communication module, for transmitting an image of the icing condition of the simulation lead 61, the lead bracket 611 includes a vertical rod 68, an L-shaped bent rod 67 and a fixing ring 610, the fixing ring 610 is fixed on the top end of the vertical rod 68, and has an inner diameter the same as the outer diameter of the simulation lead 61, the simulation lead 61 is fixed through the fixing ring 610 and parallel to the ground, the diameter and width of the simulation lead 61 are the same as the actual transmission line 9, one end of the L-shaped bent rod 67 is fixed in the middle of the vertical rod 68, and the other end thereof is provided with a mounting hole 66 and, the camera 65 is mounted in the mounting hole 66, the head part of the camera is directed to the analog lead 61, and the camera 65 directly transmits back the icing condition on the analog lead 61 as an auxiliary means for judging the icing condition on site.
In this embodiment, the wire holder 611 is a hollow cylindrical tubular holder made of stainless steel, the heating wire 69 is filled inside the holder, the shape and material of the analog wire 61 and the power transmission line 9 are the same, the heating wire 69 is also filled inside the holder, the heating wire 69 is connected to the power supply unit, when the maintainer removes ice coating on the power transmission line 9, the heating wire 69 in the analog wire 61 is activated to heat the analog wire 61, the ice coating on the analog wire 61 is also removed, and when the performance of the camera 65 is affected by an excessively low temperature, the heating wire in the wire holder 611 is activated to heat.
The tension sensor 64 and the inclination angle sensor 63 are arranged between the power transmission iron tower 1 and the insulator 3, the corrosion resistance, the abrasion resistance and the tensile strength are high, the control unit 4 is respectively connected with the connection environment monitor 62, the tension sensor 64 and the inclination angle sensor 63, when the control unit 4 receives the excessive tension of the transmission line 9 detected by the tension sensor 64, the on-site environment detected by the environment monitor 62 and the inclination angle information transmitted by the inclination angle sensor 63 are used for comprehensively judging the occurrence of ice coating or strong wind on the transmission line 9, and transmit information to the warning and indicating assembly through the communication module, the control unit 4 and the environment monitor 62 are fixedly hung on the upper part of the power transmission tower 1 through the protective box body 5 respectively, the protective box body 5 is a high-quality stainless steel mesh-shaped box body, the corrosion prevention and aging prevention effects are achieved, and meanwhile, the detection quality of the environment monitor 62 is not affected.
The environment monitor 62 comprises a wind speed monitor, a wind direction monitor, a humidity monitor and a temperature monitor, the tension sensor 64 is a strain gauge type pressure sensor for detecting the pressure borne by the power transmission line 9, the inclination sensor 63 is arranged on the tension sensor 64 for detecting the angle change of the tension sensor 64 along the direction of the power transmission line 9 and along the vertical direction of the power transmission line 9, when the inclination sensor 63 detects that the inclination of the tension sensor 64 is downward along the vertical power transmission line 9, the control unit 4 judges whether the ice is coated, after the control unit 4 carries out preliminary judgment, a signal is transmitted to the alarm indicating component, meanwhile, the display screen displays the ice coating condition of the simulation lead 61 shot by the camera 65, the auxiliary judgment of whether the ice is coated and the ice coating thickness is carried out, maintenance personnel can be arranged according to the condition for maintenance, when the inclination sensor 63 detects that the inclination, the control unit 4 combines the information of the wind speed monitor and the wind direction monitor to judge whether the wind is strong wind or not, and transmits a signal to the alarm indicating component.
As shown in fig. 2 and 4, the mountain fire detecting assembly 2 is disposed at the lower portion of the power transmission iron tower 1, and includes a fixing rod 25, a rotating rod 26, a night light camera 21 and an infrared heat detecting sensor 22, the fixing rod 25 is fixedly mounted on the power transmission iron tower 1 and is perpendicular to the ground, the rotating rod 26 is hinged to the top end of the fixing rod 25, and rotates around the fixing rod 25, the night light camera 21 is mounted on the rotating rod 26 through a night light camera mounting platform 24 near the hinged point, the infrared heat detecting sensor 22 is mounted on the rotating rod 26 through an infrared heat detecting mounting platform 23 near the near end, the night light camera mounting platform 24 is higher than the infrared heat detecting mounting platform 23, in this embodiment, the rotating rod 26 is a square rod, the infrared heat detecting mounting platform 23 and the night light camera mounting platform 24 are square platforms, which may be of other shapes, the night light camera 21 and the infrared heat detecting sensor 22 rotate along with the, monitor the conflagration condition in the forest all around at any time, night light camera 21 passes through communication module and is connected with the display screen, and infrared spy hot inductor 22 is connected with the control unit 4, and night light camera 21 shoots the condition of a fire information display on the display screen all around, and infrared spy hot inductor 22 detects the flame burning condition, can pierce through interference factors such as haze.
As shown in fig. 2, the lightning detection assembly includes two lightning transformers disposed on the power transmission line 9 and a GPS locator 8 disposed on the power transmission tower 1, and the two lightning transformers and the GPS locator 8 are respectively connected to the control unit 4.
As shown in figure 1, the warning indication assembly comprises an ice covering indicator lamp, a strong wind early warning indicator lamp, a mountain fire indicator lamp, a thunder indicator lamp and a thunder early warning indicator lamp, the ice covering indicator lamp, the strong wind indicator lamp, the mountain fire indicator lamp and the thunder indicator lamp are respectively connected with the control unit 4 through communication modules, the strong wind early warning indicator lamp and the thunder early warning indicator lamp are respectively connected with a meteorological prediction platform through a monitoring center platform, the thunder accident and the strong wind accident which possibly occur can be early warned in advance, advance preparation is made for maintenance and overhaul of the power transmission line 9, and the monitoring of the power transmission line 9 is pointed. The power supply unit comprises a solar electric plate 72, a storage battery 73 and a wind driven generator 71, the solar electric plate 72 and the wind driven generator 71 are installed at the top of the power transmission iron tower 1, the storage battery 73 is arranged at the same height position with the monitoring unit, outdoor energy is sufficiently utilized, the power supply requirement of outdoor components is met, meanwhile, surplus power is stored through the storage battery 73, and the power supply is prevented from being influenced by continuous absence of wind and overcast and rainy in the environment.
In this embodiment, the communication module is a 4G communication module or a GPRS communication module.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a monitoring management and control system based on novel transmission line multidimension perception, a serial communication port, including set up monitoring unit, power supply unit and the control unit (4) on transmission tower (1) respectively and the alarm instruction subassembly and the display screen of being connected with the surveillance center platform, control unit (4) be connected with monitoring unit and alarm instruction subassembly respectively through communication module, power supply unit pass through the electric wire and be connected with control unit (4) and monitoring unit respectively, monitoring unit is including icing gale detection subassembly, mountain fire detection subassembly (2) and thunder and lightning detection subassembly, alarm instruction subassembly and display screen interconnect.
2. The monitoring and control system based on novel multi-dimensional sensing of power transmission lines as claimed in claim 1, wherein the icing gale detection assembly is arranged at the upper part of a power transmission tower (1) at the same height as the power transmission lines (9), the icing gale detection assembly comprises a simulation lead (61), a camera (65), an environment monitor (62), a tension sensor (64) and an inclination sensor (63), the simulation lead (61) and the camera (65) are respectively fixed on the power transmission tower (1) through lead brackets (611), the camera (65) faces the simulation lead (61) and is connected with a display screen through a communication module to transmit an image of the icing condition of the simulation lead (61), the tension sensor (64) and the inclination sensor (63) are arranged between the power transmission tower (1) and an insulator (3), the control unit (4) is respectively connected with a connection environment monitor (62), a tension sensor (64) and a tilt angle sensor (63), and the control unit (4) and the environment monitor (62) are fixedly hung on the upper part of the power transmission iron tower (1) through a protection box body (5).
3. The monitoring management and control system based on novel multi-dimensional sensing of power transmission lines as claimed in claim 2, wherein the environment monitor (62) comprises a wind speed monitor, a wind direction monitor, a humidity monitor and a temperature monitor, the tension sensor (64) is a strain gauge type pressure sensor, the pressure applied to the power transmission lines (9) is detected, the inclination sensor (63) is arranged above the tension sensor (64), and the angle change of the tension sensor (64) along the direction of the power transmission lines (9) and along the vertical direction of the power transmission lines (9) is detected.
4. The monitoring management and control system based on novel multi-dimensional sensing of power transmission lines as claimed in claim 2, wherein the wire support (611) comprises an upright rod (68), an L-shaped bent rod (67) and a fixing ring (610), the fixing ring (610) is fixedly arranged at the top end of the upright rod (68), the inner diameter of the fixing ring is the same as the outer diameter of the simulation wire (61), the simulation wire (61) fixedly penetrates through the fixing ring (610) and is parallel to the ground, one end of the L-shaped bent rod (67) is fixedly arranged in the middle of the upright rod (68), the other end of the L-shaped bent rod (67) is provided with a mounting hole (66) and extends upwards to the same height as the simulation wire (61), and the camera (65) is mounted in the mounting hole (66).
5. The monitoring and control system based on multi-dimensional sensing of the novel power transmission line according to claim 4, characterized in that the wire holder (611) is a hollow tubular holder, an electric heating wire (69) is filled in the wire holder, the shape and material of the simulation wire (61) and the power transmission line (9) are the same, the electric heating wire (69) is filled in the simulation wire, and the electric heating wire (69) is connected with a power supply unit.
6. The monitoring and control system based on the novel multi-dimensional sensing of the power transmission line as claimed in claim 1, wherein the mountain fire detection assembly (2) is arranged at the lower part of the power transmission tower (1) and comprises a fixing rod (25), a rotating rod (26), a noctilucent camera (21) and an infrared heat detection sensor (22), the fixing rod (25) is fixedly installed on the power transmission tower (1) and is perpendicular to the ground, the rotating rod (26) is hinged to the top end of the fixing rod (25) and rotates around the fixing rod (25), the noctilucent camera (21) is installed on the rotating rod (26) through a noctilucent camera installation platform (24) near the hinged point, the infrared heat detection sensor (22) is installed on the rotating rod (26) through the infrared heat detection installation platform (23) near the end point, and the noctilucent camera installation platform (24) is higher than the infrared heat detection installation platform (23), the noctilucent camera (21) is connected with the display screen through the communication module, and the infrared heat detection sensor (22) is connected with the control unit (4).
7. The monitoring and control system based on novel multi-dimensional sensing of power transmission lines as claimed in claim 1, wherein the lightning detection assembly comprises two lightning transformers arranged on the power transmission line (9) and a GPS (global positioning system) positioner (8) arranged on the power transmission tower (1), and the two lightning transformers and the GPS positioner (8) are respectively connected with the control unit (4).
8. The monitoring and control system based on the novel multi-dimensional sensing of the power transmission line as claimed in any one of claims 1 to 7, wherein the alarm indication component comprises an icing indicator light, a gale early warning indicator light, a mountain fire indicator light, a thunder indicator light and a thunder early warning indicator light, the icing indicator light, the gale indicator light, the mountain fire indicator light and the thunder early warning indicator light are respectively connected with the control unit (4) through communication modules, and the gale early warning indicator light and the thunder early warning indicator light are respectively connected with the meteorological prediction platform through a monitoring center platform.
9. The monitoring and control system based on novel multi-dimensional sensing of power transmission lines as claimed in claim 8, wherein the communication module is a 4G communication module or a GPRS communication module.
10. The monitoring and management and control system based on multi-dimensional sensing of the novel power transmission line according to any one of claims 1-7, characterized in that the power supply unit comprises a solar electric panel (72), a storage battery (73) and a wind generator (71), the solar electric panel (72) and the wind generator (71) are installed on the top of the power transmission tower (1), and the storage battery (73) is arranged at the same height as the monitoring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502334.XU CN211401292U (en) | 2019-12-31 | 2019-12-31 | Monitoring management and control system based on novel power transmission line multidimensional sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502334.XU CN211401292U (en) | 2019-12-31 | 2019-12-31 | Monitoring management and control system based on novel power transmission line multidimensional sensing |
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| Publication Number | Publication Date |
|---|---|
| CN211401292U true CN211401292U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922502334.XU Expired - Fee Related CN211401292U (en) | 2019-12-31 | 2019-12-31 | Monitoring management and control system based on novel power transmission line multidimensional sensing |
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| Country | Link |
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| CN (1) | CN211401292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113850977A (en) * | 2021-09-17 | 2021-12-28 | 国网江苏省电力有限公司盐城供电分公司 | Power transmission line icing detection early warning method |
-
2019
- 2019-12-31 CN CN201922502334.XU patent/CN211401292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113850977A (en) * | 2021-09-17 | 2021-12-28 | 国网江苏省电力有限公司盐城供电分公司 | Power transmission line icing detection early warning method |
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Granted publication date: 20200901 Termination date: 20211231 |