CN110416914B - Intelligent monitoring system and monitoring method for high-voltage transmission line - Google Patents
Intelligent monitoring system and monitoring method for high-voltage transmission line Download PDFInfo
- Publication number
- CN110416914B CN110416914B CN201910618022.7A CN201910618022A CN110416914B CN 110416914 B CN110416914 B CN 110416914B CN 201910618022 A CN201910618022 A CN 201910618022A CN 110416914 B CN110416914 B CN 110416914B
- Authority
- CN
- China
- Prior art keywords
- transmission line
- monitoring
- power transmission
- power
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses an intelligent monitoring system for a high-voltage transmission line, which comprises a plurality of cross arms equidistantly arranged on the top end of an electric power tower, wherein a transmission line monitoring terminal and a multi-rotor unmanned aerial vehicle for monitoring the transmission line are arranged on two adjacent cross arms, and a remote monitoring terminal in communication connection with the transmission line monitoring terminal and the multi-rotor unmanned aerial vehicle is arranged on the transmission line monitoring terminal; the monitoring method is also disclosed, wherein measuring points of the power transmission line are arranged on the power tower, the measuring points of the power transmission line are monitored in real time, the periphery of the measuring points is inspected, and the real-time monitoring information and the inspection monitoring information are sent for processing and analysis so as to determine abnormal faults. The invention can realize real-time monitoring and conveniently and integrally make maintenance and repair measures by on-line monitoring and inspection and comprehensively summarizing monitoring information and inspection information.
Description
Technical Field
The invention relates to the technical field of power transmission line monitoring, in particular to an intelligent monitoring system and a monitoring method for a high-voltage power transmission line.
Background
Overhead transmission lines are important components of power transmission systems, with the rapid development of power systems, high-voltage, ultrahigh-voltage and extra-high-voltage long-distance transmission lines are increasing day by day, faults of the overhead transmission lines have greater and greater influence on the power systems, and because the working environment of the transmission lines is mostly in the field, the transmission lines are easily influenced by various environmental meteorological factors, and particularly under extreme climatic conditions or high-altitude alpine regions, the transmission lines are easily influenced by icing disasters. For example, transmission line faults such as lightning stroke, tripping, flashover, torsion, disconnection, pole collapse and the like can cause that a power system cannot run safely and reliably, large-area power failure accidents are caused, and the normal life and production of people are influenced. Along with the rapid development of economy, the power grid scale is continuously enlarged, the coverage area of a power transmission line is enlarged, the terrain of a passing area is complex and various, the power transmission line has large geographical span and wide distribution range, and a power cable and a tower in the power transmission line are exposed to the open environment for a long time and are influenced by natural factors and human factors, so that the difficulty in operation, maintenance and repair of the power transmission line is increased, and therefore, the real-time online monitoring and management of the high-voltage power transmission line are an effective means for avoiding the safety hazard of an overhead line.
Disclosure of Invention
The invention aims to provide an intelligent monitoring system and a monitoring method for a high-voltage transmission line. In order to achieve the above object, the present invention adopts the following technical effects:
according to one aspect of the invention, an intelligent monitoring system for polling a high-voltage transmission line is provided, wherein the monitoring system comprises a plurality of cross arms which are equidistantly arranged on the top end of an electric power tower, a transmission line monitoring terminal and a multi-rotor unmanned aerial vehicle which are used for monitoring the transmission line are arranged on two adjacent cross arms, and a remote monitoring terminal which is in communication connection with the transmission line monitoring terminal and the multi-rotor unmanned aerial vehicle is arranged on the two adjacent cross arms, the transmission line passes through the transmission line monitoring terminal and is arranged on the two cross arms so as to obtain the operation data of the transmission line, a UWB guiding module is arranged on the transmission line monitoring terminal, and the UWB guiding module is in wireless communication with the multi-rotor unmanned aerial vehicle and; the power transmission line monitoring terminal includes two casings and sets up the monitoring unit in the casing, and two casings are 45 diagonal mirror symmetry and set up on adjacent cross arm, the monitoring unit includes power management module, data monitoring module and data processing module, power management module and data monitoring module, data processing module set up in the casing of difference, power management module respectively with data monitoring module and data processing module electrical connection, data processing module with remote monitoring terminal carries out wireless communication and connects, is provided with the high definition camera in many rotor unmanned aerial vehicle below.
Preferably, the two shells respectively comprise a first supporting shell body, a first cover body, a second supporting shell body and a second cover body, the first supporting shell body and the second supporting shell body are arranged in 45-degree diagonal mirror symmetry, the first cover body and the second cover body are arranged in 45-degree diagonal mirror symmetry, the first cover body is fixedly covered on an opening of the first supporting shell body in an inserting manner to form a whole, the second cover body is fixedly covered on an opening of the second supporting shell body in an inserting manner to form a whole, and the outer wall of the first supporting shell body is connected with the outer wall of the second cover body and the outer wall of the first cover body is connected with the outer wall of the second supporting shell body through screws; the power transmission line is fixedly supported on the cross arm through the first supporting shell body and the second supporting shell body, the outer edges of the openings of the arc-shaped cavities of the first supporting shell body and the second supporting shell body are opposite and horizontally and parallelly extended, the lower arc-shaped supporting groove is inserted into the second supporting shell body, and the upper arc-shaped supporting groove is inserted into the first supporting shell body;
the power management module is arranged in the first supporting shell body, the data processing module is arranged in the second supporting shell body, and the data processing module is in wireless communication connection with the multi-rotor unmanned aerial vehicle through the UWB guide module; the data monitoring module comprises an environment monitoring sensor, an electric energy monitoring circuit and an image acquisition device which are respectively connected with the data processing module, the environment monitoring sensor is used for monitoring environmental parameters around the electric power tower, the electric energy monitoring circuit is used for monitoring electric energy data of a power transmission line, the environment monitoring sensor and the image acquisition device are installed on the electric power tower and are used for acquiring image information around the electric power tower, and the electric energy monitoring circuit is arranged between the lower arc-shaped supporting groove and the upper arc-shaped supporting groove.
In a further preferred embodiment of the foregoing, the environment monitoring sensor includes, but is not limited to, a temperature and humidity sensor, a wind direction and speed sensor, an illumination sensor, an infrared sensor, an ultraviolet sensor, an angle sensor, and an air pressure sensor.
In a further preferred embodiment of the above solution, at least two parallel and upwardly protruding arc-shaped support pads are disposed on the inner wall of the bottom of the arc-shaped cavity of the first support shell body and/or the second support shell body, and the two parallel arc-shaped support pads are transversely disposed on the inner wall of the bottom of the arc-shaped cavity; the embedded insulating ball that is provided with of arc supporting pad, this insulating ball are protruding to the opening direction of arc cavity from the arc supporting pad, are provided with a strain sensor at least between two arc supporting pads that are parallel to each other, and this strain sensor's power end with power management module's power output end is connected, strain sensor's output with data processing module connects.
According to the scheme, the first support shell body is further preferably provided with the L-shaped buckling lug grooves in the edge of the opening of the outer wall of the first support shell body along the crossing direction of the power transmission line, the first cover body is provided with the L-shaped insertion ribs matched and inserted with the L-shaped buckling lug grooves in the edge of the opening of the outer wall of the first cover body along the crossing direction of the power transmission line, and the first support shell body and the first cover body are connected in an inserted mode through the L-shaped buckling lug grooves and the L-shaped insertion ribs which are matched with each other.
Preferably, the power management module includes a current sensor, a lightning protection circuit, a rectification circuit, a capacitor energy storage circuit, a filter circuit, a DC-DC conversion circuit and an electronic control switch, the current sensor is disposed between the lower arc-shaped supporting groove and the upper arc-shaped supporting groove and used for collecting current for monitoring the power transmission line, an output end of the current sensor is connected to an input end of the lightning protection circuit and an input end of the rectification circuit, an output end of the rectification circuit is connected to an anode of the capacitor energy storage circuit and an input end of the filter circuit, an output end of the filter circuit is connected to an input end of the DC-DC conversion circuit, an output end of the DC-DC conversion circuit is connected to an input end of the electronic control switch K0, and an output end of the electronic control switch is connected to a power end, a power end of the data processing module, a power, The environment monitoring system comprises an environment monitoring sensor, an electric energy monitoring circuit, an image acquisition device and an electronic control switch, wherein the power end of the environment monitoring sensor, the power end of the electric energy monitoring circuit and the power end of the image acquisition device are electrically connected, the data processing module comprises a data processor, a data memory, an audible and visual alarm, a GPS (global positioning system) positioner and a communication transceiving module, the output end of the environment monitoring sensor, the output end of the electric energy monitoring circuit, the output end of the image acquisition device, the data memory, the audible and visual alarm, the GPS positioner and the communication transceiving module and the control end of the electronic control switch are respectively connected with the data processing module, and the data processor is.
According to another aspect provided by the invention, the invention provides a monitoring method of an intelligent monitoring system of a high-voltage transmission line, which comprises the following steps:
step 1: the method comprises the steps that measuring points of a power transmission line are arranged on a power tower, a power transmission line monitoring terminal is installed on a cross arm of the power tower, and electric energy on the power transmission line is obtained through a power management module and a power supply is provided for the power transmission line monitoring terminal;
step 2: the method comprises the steps that a power transmission line monitoring terminal monitors measurement points of a power transmission line in real time to obtain state information of a power tower, electric energy data of the corresponding power transmission line and environmental data information around the power transmission line;
and step 3: the remote monitoring terminal sends a polling task command to the multi-rotor unmanned aerial vehicle, the multi-rotor unmanned aerial vehicle acquires a guide signal sent by the UWB guide module, and the multi-rotor unmanned aerial vehicle approaches a power transmission line according to the guide signal to poll the periphery of a measurement point of the power transmission line;
and 4, step 4: the power transmission line monitoring terminal sends real-time monitoring information and the patrol and examine monitoring information of the multi-rotor unmanned aerial vehicle to the remote monitoring terminal for processing and analysis, if at least one of the monitoring information is found to have an abnormal fault, the reason of the abnormal fault is determined, and the power transmission line is overhauled and/or maintained.
Preferably, the state information of the power tower comprises vibration state information and inclination angle state information of the power tower relative to the measurement point, and the environmental data information around the power transmission line comprises temperature and humidity data, wind direction and wind speed data, illumination intensity data, air pressure data, ionizing radiation data and video image data; the power data for the power transmission line includes voltage data and current data obtained from the power transmission line.
Preferably, the remote monitoring terminal processes and analyzes the real-time monitoring information and the routing inspection monitoring information, and comprises the steps of classifying the real-time monitoring information and the routing inspection monitoring information respectively, preprocessing the classified information respectively, performing matching analysis and identification processing on the preprocessed information to acquire corresponding monitoring information and judge whether the monitoring information has abnormal faults or not, so that the transmission line 3 is sent out to be executed for maintenance and/or maintenance.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects:
(1) according to the invention, the on-line monitoring of the power transmission line monitoring terminal and the inspection of the multi-rotor unmanned aerial vehicle are carried out, and the monitoring information and the inspection information are comprehensively collected, so that the maintenance and maintenance measures can be conveniently and integrally formulated while the real-time monitoring is realized, the on-line monitoring and inspection of the power transmission line are integrated, the effective guarantee is provided for the power transmission line, the timely and effective maintenance of the line fault is ensured, and the occurrence of accidental disasters can be prevented.
(2) The invention collects the information of the power transmission line through daily inspection or periodic inspection and on-line monitoring, and then processes, analyzes and evaluates each state parameter of the power transmission line, thereby improving the operation accuracy of the power transmission line and the operation and maintenance level of the power transmission line, avoiding the need of a line patrol worker to arrive at the site, and greatly saving manpower and material resources.
Drawings
FIG. 1 is a schematic view of the monitoring principle of the intelligent monitoring system for the high-voltage transmission line;
fig. 2 is a schematic view of the installation structure of the inventive power transmission line monitoring terminal;
FIG. 3 is a side view schematic of the housing of the invention;
FIG. 4 is a schematic view of the internal structure of the first inventive support housing body;
FIG. 5 is a schematic diagram of the inventive monitoring unit;
FIG. 6 is a schematic diagram of a power management module and data processing module of the present invention;
in the drawing, an electric power tower 1, a cross arm 2, a power transmission line 3, a power transmission line monitoring terminal 4, a multi-rotor unmanned aerial vehicle 5, a high definition camera 5a, a remote monitoring terminal 6, a UWB guide module 7, a monitoring unit 50, a first supporting shell body 40, a first cover body 41, a screw rod 42, an L-shaped buckling lug groove 43, an L-shaped inserting rib 44, a second supporting shell body 60, a second cover body 61, an arc-shaped cavity 400, a lower arc-shaped supporting groove 401, an upper arc-shaped supporting groove 402, an arc-shaped supporting pad 403, an insulating ball 404, a strain sensor 405, a power management module 500, a data monitoring module 501, a data processing module 502, an environment monitoring sensor 5010, an electric energy monitoring circuit 5011 and an image acquisition device 5012.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
As shown in fig. 1 and fig. 2, the intelligent monitoring system for the high-voltage transmission line according to the invention comprises a plurality of cross arms 2 which are equidistantly arranged on the top end of an electric tower 1, two adjacent cross arms 2 are provided with a power transmission line monitoring terminal 4 for monitoring a power transmission line 3 and a multi-rotor unmanned aerial vehicle 5, and a remote monitoring terminal 6 in communication connection with the power line monitoring terminal 4 and the multi-rotor drone 5, the transmission line 3 is installed on two cross arms 2 through a transmission line monitoring terminal 4 to acquire transmission line operation data, arranging a power transmission line monitoring terminal 4 on every other one electric power tower or two or three to five electric power towers 1, arranging a UWB guide module 7 on the power transmission line monitoring terminal 4, the UWB guiding module 7 wirelessly communicates with the multi-rotor unmanned aerial vehicle 5 and guides the multi-rotor unmanned aerial vehicle 5 to patrol the power transmission line 3; the power transmission line monitoring terminal 4 comprises two shells and a monitoring unit 50 arranged in the shells, the two shells are arranged on the adjacent cross arms 2 in 45-degree diagonal mirror symmetry, the monitoring unit 50 comprises a power management module 500, a data monitoring module 501 and a data processing module 502, the power management module 500 is arranged in a different shell with the data processing module 502 and the data monitoring module 501, the power management module 500 is electrically connected to the data monitoring module 501 and the data processing module 502 respectively, the data processing module 502 is in wireless communication connection with the remote monitoring terminal 6, a high-definition camera 5a is arranged below the multi-rotor unmanned aerial vehicle 5, a central controller, a GPS module, a wireless communication module and a UWB module are arranged in the multi-rotor unmanned aerial vehicle 5, the central controller is respectively connected with the GPS module, the wireless communication module and the UWB module.
In the present invention, as shown in fig. 2 and 3, the two cases respectively include a first case composed of a first support case body 40 and a first cover body 41 and a second case composed of a second support case body 60 and a second cover body 61, radiation-proof layers are further respectively provided on the inner walls of the first support case body 40 and the first cover body 41 and on the inner walls of the second support case body 60 and the second cover body 61, waterproof rings (not shown) are provided at the opening edges of the first supporting case body 40 and the first cover 41 and at the opening edges of the second supporting case body 60 and the second cover 61, when the first supporting shell body 40 and the first cover body 41 are closed and the two supporting shell bodies 60 and the second cover body 61 are closed and clamped on the power transmission line 3, the waterproof ring can clamp the power transmission line 3 to achieve the waterproof purpose. The first supporting shell body 40 and the second supporting shell body 60 are arranged in a 45-degree diagonal mirror symmetry manner, the first cover body 41 and the second cover body 61 are arranged in a 45-degree diagonal mirror symmetry manner, the first cover body 41 is covered on the opening of the first supporting shell body 40 through inserting and fixing to form a whole, the second cover body 61 is covered on the opening of the second supporting shell body 60 through inserting and fixing to form a whole, and the outer wall of the first supporting shell body 40 and the outer wall of the second cover body 61 as well as the outer wall of the first cover body 41 and the outer wall of the second supporting shell body 60 are connected through screws 42; the first support shell body 40 and the second support shell body 60 are provided with an arc-shaped cavity 400 which can be penetrated by the power transmission line 3 on the same horizontal axis, the power transmission line 3 penetrates through the arc-shaped cavity 400 and is fixedly supported on the cross arm 2 through the first support shell body 40 and the second support shell body 60 respectively, an L-shaped buckling lug groove 43 is arranged at the opening edge of the outer wall of the first support shell body 40 along the penetrating direction of the power transmission line 3, an L-shaped inserting rib 44 which is matched and inserted with the L-shaped buckling lug groove 43 is arranged at the opening edge of the outer wall of the first cover body 41 along the penetrating direction of the power transmission line 3, and the first support shell body 40 and the first cover body 41 are connected in an inserting manner through the L-shaped buckling lug groove 43 and the L-shaped inserting rib 44 which are matched with each other, so that the shell body and the cover body can be buckled with each other. A lower arc-shaped supporting groove 401 and an upper arc-shaped supporting groove 402 which are opposite and horizontally and parallelly extend from the outer edges of the openings of the arc-shaped cavities of the first supporting shell body 40 and the second supporting shell body 60 respectively; lower arc supports groove 401 and inserts in the second supports shell body 60, it supports the groove 402 and inserts in the first support shell body 40 to go up the arc, thereby two casings are 45 diagonal mirror symmetry and set up and made things convenient for lower arc to support groove 401 and last arc to support groove 402 and be parallel symmetry about being, can support the power transmission line 3 between groove 402 to lower arc and support groove 401 and last arc and monitor to get rid of external interference, played fine stabilizing action to the measuring point and not received external interference and the radiation interference of casing inside. In the present invention, as shown in fig. 2, 3 and 4, at least two parallel and upwardly protruding arc-shaped support pads 403 are disposed on the bottom inner wall of the arc-shaped cavity 400 of the first support shell body 40 and/or the second support shell body 60, the arc-shaped support pads 403 are elastic pad members, and the two parallel arc-shaped support pads 403 are transversely disposed on the bottom inner wall of the arc-shaped cavity 400; an insulating ball 404 is embedded in the arc-shaped supporting pad 403, the insulating ball 404 protrudes from the arc-shaped supporting pad 403 towards the opening of the arc-shaped cavity 400, at least one strain sensor 405 is arranged between the two parallel arc-shaped supporting pads 403, the power transmission line 3 is further supported by the insulating ball 404, a certain gap is kept between the power transmission line 3 and the inside of the bottom of the supporting shell, the strain sensor 405 is kept in contact with the power transmission line 3, the power supply end of the strain sensor 405 is connected with the power supply output end of the power supply management module 500, and the output end of the strain sensor 405 is connected with the data processing module 502. Through carrying out special position overall arrangement to strain sensor 405, can acquire the data of electric power tower 1 and 3 states of power transmission line in real time, thereby reach the on-line monitoring purpose of shaft tower, accomplish timely warning under the unsafe condition of shaft tower, be the contained angle of certain direction with power transmission line 3 when setting up strain sensor 405, this contained angle is less than or equal to 90 degrees and is greater than 30 degrees, produce deformation easily when power transmission line 3 waves or electric power tower 1 receives the geology, wind-force or the change that is derived from the safe state such as the influence of the load that the iron tower receives, when power transmission line 3 or electric power tower 1's atress changes, thereby grasp the atress condition of electric power tower 1 and power transmission line 3 in real time.
In the present invention, as shown in fig. 5 and 6, the power management module 500 is disposed in the first support housing body 40, the data processing module 502 is disposed in the second support housing body 60, and the data processing module 502 is in wireless communication connection with the multi-rotor drone 5 through the UWB guide module 7; the data monitoring module 501 comprises an environment monitoring sensor 5010, an electric energy monitoring circuit 5011 and an image acquisition device 5012 which are respectively connected with the data processing module 502, wherein the environment monitoring sensor 5010 is used for monitoring environmental parameters around the electric power tower 1, the electric energy monitoring circuit 5011 is used for monitoring electric energy data of the power transmission line 3, the environment monitoring sensor 5010 and the image acquisition device 5012 are installed on the electric power tower 1 and used for acquiring image information around the electric power tower 1, and the electric energy monitoring circuit 5011 is arranged between the lower arc-shaped supporting groove 401 and the upper arc-shaped supporting groove 402. The environment monitoring sensor 5010 includes but is not limited to a temperature and humidity sensor, a rainfall sensor, a wind direction and speed sensor, an illumination sensor, an air pressure sensor, an infrared sensor, an ultraviolet sensor and an angle sensor, which are respectively used for temperature and humidity parameters, rainfall parameters, wind direction and speed and wind direction parameters, illumination intensity, air pressure parameters and the like in the surrounding environment of the electric power tower and are sent to the data processor in real time for storage, the angle sensor is used for monitoring the inclination angle state information of the electric power tower 1 or the electric power transmission line, the infrared sensor is used for monitoring whether an animal is close to the electric power transmission line, otherwise, the data processor sends an alarm signal for alarm processing, so that the purpose of driving the animal is achieved, the infrared sensor also monitors the infrared radiation intensity emitted by the electric power transmission line, calculates the surface, if the temperature of the measuring point position of the power transmission line exceeds a set threshold value, the data processor sends the line temperature information to a remote monitoring terminal to inform operation and maintenance personnel in time; ultraviolet sensor is used for the ultraviolet discharge signal that power transmission line and insulator sent to monitor and send discharge signal into data processor to the ultraviolet interference of the on-the-spot surrounding environment of analysis power transmission line and electric power tower upper insulator, thereby can judge because whether the insulator deteriorates the fault problem, realized that power transmission line or insulator deteriorate and discharge and monitor, also improved the reliability and the security that many rotor unmanned aerial vehicle patrolled and examined.
In the present invention, as shown in fig. 5 and fig. 6, the power management module 500 includes a current sensor, a lightning protection circuit, a rectification circuit, a capacitor energy storage circuit, a filter circuit, a DC-DC conversion circuit and an electronic control switch K0, the current sensor is disposed between the lower arc-shaped supporting slot 401 and the upper arc-shaped supporting slot 402 for collecting current for monitoring the power transmission line 3, an output end of the current sensor is connected to an input end of the lightning protection circuit and an input end of the rectification circuit, an output end of the rectification circuit is connected to an anode of the capacitor energy storage circuit and an input end of the filter circuit, an output end of the filter circuit is connected to an input end of the DC-DC conversion circuit, an output end of the DC-DC conversion circuit is connected to an input end of the electronic control switch K0, and an output end of the electronic control switch K0 is connected to a power supply end of the data processing, The power supply end of the environment monitoring sensor 5010, the power supply end of the electric energy monitoring circuit 5011 and the power supply end of the image acquisition device 5012 are electrically connected; the current sensor is arranged on the power transmission line 3 between the lower arc-shaped supporting groove 401 and the upper arc-shaped supporting groove 402, the current sensor is used for collecting power energy of the power transmission line, converting the received power energy into usable power energy, providing power for the data monitoring module 501 and the data processing module 502, enabling the whole power transmission line terminal 4 to work normally, rectifying, storing and filtering the power energy collected by the current sensor in sequence, sending the power energy into the DC-DC conversion circuit for voltage conversion, and outputting voltage suitable for normal work of the data monitoring module 501 and the data processing module 502.
In the present invention, as shown in fig. 5 and fig. 6, the data processing module 502 includes a data processor, a data memory, an audible and visual alarm, a GPS locator, and a communication transceiver module, the central controller and the data processor are based on an ARM 32-bit Cortex-M3 core STM32F207IGT6 processor, and the communication transceiver module is one or a combination of 3G, 4G, GPRS, Zigbee, and beidou communication modules; the output end of the environment monitoring sensor 5010, the output end of the electric energy monitoring circuit 5011, the output end of the image acquisition device 5012, a data memory, an audible and visual alarm, a GPS (global positioning system) positioner and a communication transceiving module, and the control end of the electronic control switch K0 are respectively connected with the data processing module 502, so that the electronic control switch K0 can be switched with a standby power supply of the power transmission line monitoring terminal 4 under the control of the data processor and supply power to the standby power supply at a rated voltage, the data processor is in wireless communication connection with the remote monitoring terminal 6 through the communication transceiving module, and the data memory is respectively used for storing environment data of a measuring point of the environment monitoring sensor 5010 monitoring the power transmission line 3, electric energy data of the power transmission line, GPS (global positioning system) position information data and image video data around the power tower 1. The electric energy monitoring circuit 5011 comprises a first monitoring sensor, a second monitoring sensor, a voltage sampling circuit, a current sampling circuit and an electric energy metering circuit, wherein the output end of the first monitoring sensor is connected with the input end of the voltage sampling circuit, the output end of the second monitoring sensor is connected with the input end of the current sampling circuit, the output end of the voltage sampling circuit is connected with the voltage input end of the electric energy metering circuit, the output end of the current sampling circuit is connected with the current output end of the electric energy metering circuit, the output end of the electric energy metering circuit is connected with the data processor, the first monitoring sensor and the second monitoring sensor are arranged on the power transmission line 3 between the lower arc-shaped supporting groove 401 and the upper arc-shaped supporting groove 402, and the voltage sampling circuit, the current sampling circuit and the electric energy metering circuit are arranged in the shell, first monitoring sensor and second monitoring sensor adopt non-contact mode to obtain high tension transmission line voltage phase signal, high tension transmission line current signal from power transmission line 3, and transform voltage phase signal and current signal through voltage sampling circuit and current sampling circuit respectively, input again to electric energy metering circuit and calculate, can directly acquire power factor on the power transmission line 3, the electric current effective value, power factor and electric current effective value product and signals such as electric current harmonic content, these signals that will acquire are sent into data processor and are calculated each item electric energy parameter respectively, for example: active power, reactive power, power factor, current harmonic content, electric energy loss, total accumulated electric energy and the like on the power transmission line 3, so that the electric energy on the power transmission line 3 is measured in real time, the real-time performance and the reliability of electric energy measurement of the power transmission line are greatly improved, and the operation cost is reduced. Because the power transmission line 3 can be accompanied by short-circuit current and impulse current, especially lightning impulse current or short circuit, tripping operation etc. because the operating time is short, short-circuit current and impulse current can get into electric energy monitoring circuit and power management module, can cause the threat to the safe work of whole power transmission line monitoring terminal 4. Short-circuit current or impulse current can make the output of the energy-taking coil of first monitoring sensor, second monitoring sensor and current sensor respond to transient high voltage or current, because voltage or current amplitude is high and change fast, consequently set up the lightning protection circuit at first monitoring sensor, second monitoring sensor and current sensor's output respectively, this lightning protection circuit adopts transient voltage to restrain the diode to solve powerful power supply problem in the twinkling of an eye, this lightning protection circuit is simple easy to maintain.
According to another aspect of the present invention, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a monitoring method for an intelligent monitoring system of a high voltage transmission line, including the following steps:
step 1: the method comprises the steps that measuring points of a power transmission line 3 are arranged on an electric power tower 1, a power transmission line monitoring terminal 4 is installed on a cross arm 2 of the electric power tower 1, electric energy on the power transmission line 3 is obtained through a power management module 500, and power is provided for the power transmission line monitoring terminal 4;
step 2: the power transmission line monitoring terminal 4 monitors the measuring points of the power transmission line 3 in real time to acquire state information of the power tower 1, electric energy data of the corresponding power transmission line 3, environmental data information around the power transmission line 3 and geographical position information; the state information of the power tower 1 comprises vibration state information and inclination angle state information of the power tower 1 at a measuring point, and the environmental data information around the power transmission line 3 comprises temperature and humidity data, wind direction and wind speed data, illumination intensity data, air pressure data, electromagnetic radiation data and video image data; the power data of the power transmission line 3 comprises voltage data and current data obtained from the power transmission line 3;
and step 3: the remote monitoring terminal 6 sends an inspection task command to the multi-rotor unmanned aerial vehicle 5, the multi-rotor unmanned aerial vehicle 5 acquires a guide signal sent by the UWB guide module 7, the multi-rotor unmanned aerial vehicle 5 approaches the power transmission line 3 according to the guide signal, and the periphery of a measurement point of the power transmission line 3 is inspected; a high-definition camera 5a is arranged below the multi-rotor unmanned aerial vehicle 5, and the multi-rotor unmanned aerial vehicle is guided by a UWB guide module 7 to acquire images of the optimal heights and angles of the power transmission line 3 and the measuring point through the high-definition camera 5a so as to ensure the acquired images or video effects; comparing the image or video acquired by the high-definition camera 5a, the image or video shot by the image acquisition device 5012 with the normal line image shot in advance, and comprehensively judging whether the power transmission line has defects or not;
and 4, step 4: the power transmission line monitoring terminal 4 sends the real-time monitoring information and the routing inspection monitoring information of the multi-rotor unmanned aerial vehicle 5 to the remote monitoring terminal 6 for processing and analysis, if at least one piece of monitoring information is found to have an abnormal fault, the reason of the abnormal fault is determined, and the power transmission line 3 is overhauled and/or maintained; the remote monitoring terminal 6 processes and analyzes the real-time monitoring information and the routing inspection monitoring information, the real-time monitoring information and the routing inspection monitoring information are classified respectively, the classified information is preprocessed respectively, the preprocessed information is subjected to matching analysis and recognition processing, so that corresponding monitoring information is obtained, whether the monitoring information has abnormal faults or not is judged, and then a task of carrying out maintenance and/or repair on the power transmission line 3 is sent.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. The utility model provides a high tension transmission line intelligent monitoring system which characterized in that: the monitoring system comprises a plurality of cross arms which are equidistantly arranged on the top end of an electric power tower, a power transmission line monitoring terminal and a multi-rotor unmanned aerial vehicle which are used for monitoring a power transmission line are arranged on two adjacent cross arms, and a remote monitoring terminal which is in communication connection with the power transmission line monitoring terminal and the multi-rotor unmanned aerial vehicle is arranged on the two adjacent cross arms; the power transmission line monitoring terminal comprises two shells and a monitoring unit arranged in the shells, the two shells are arranged on adjacent cross arms in 45-degree diagonal mirror symmetry, the monitoring unit comprises a power management module, a data monitoring module and a data processing module, the power management module, the data monitoring module and the data processing module are arranged in different shells, the power management module is respectively electrically connected with the data monitoring module and the data processing module, the data processing module is in wireless communication connection with the remote monitoring terminal, and a high-definition camera is arranged below the multi-rotor unmanned aerial vehicle; the two shells respectively comprise a first supporting shell body, a first cover body, a second supporting shell body and a second cover body, wherein the first supporting shell body and the second supporting shell body are arranged in a 45-degree diagonal mirror symmetry mode, the first cover body and the second cover body are arranged in a 45-degree diagonal mirror symmetry mode, the first cover body is covered on an opening of the first supporting shell body through an inserting and fixing cover to form a whole, the second cover body is covered on an opening of the second supporting shell body through an inserting and fixing cover to form a whole, and the outer wall of the first supporting shell body and the outer wall of the second cover body are connected through screws; the power transmission line is fixedly supported on the cross arm through the first supporting shell body and the second supporting shell body, the outer edges of the openings of the arc-shaped cavities of the first supporting shell body and the second supporting shell body are opposite and horizontally and parallelly extended, the lower arc-shaped supporting groove is inserted into the second supporting shell body, and the upper arc-shaped supporting groove is inserted into the first supporting shell body;
the power management module is arranged in the first supporting shell body, the data processing module is arranged in the second supporting shell body, and the data processing module is in wireless communication connection with the multi-rotor unmanned aerial vehicle through the UWB guide module; the data monitoring module comprises an environment monitoring sensor, an electric energy monitoring circuit and an image acquisition device which are respectively connected with the data processing module, the environment monitoring sensor is used for monitoring environmental parameters around the electric power tower, the electric energy monitoring circuit is used for monitoring electric energy data of a power transmission line, the environment monitoring sensor and the image acquisition device are installed on the electric power tower and are used for acquiring image information around the electric power tower, and the electric energy monitoring circuit is arranged between the lower arc-shaped supporting groove and the upper arc-shaped supporting groove.
2. The intelligent monitoring system for the high-voltage transmission line according to claim 1, characterized in that: the environment monitoring sensor comprises a temperature and humidity sensor, a wind direction and wind speed sensor, an illumination sensor, an infrared sensor, an ultraviolet sensor, an angle sensor and an air pressure sensor.
3. The intelligent monitoring system for the high-voltage transmission line according to claim 1, characterized in that: at least two parallel arc-shaped supporting pads which are protruded upwards are arranged on the inner wall of the bottom of the arc-shaped cavity of the first supporting shell body and/or the second supporting shell body, and the two parallel arc-shaped supporting pads are transversely arranged on the inner wall of the bottom of the arc-shaped cavity; the embedded insulating ball that is provided with of arc supporting pad, this insulating ball are protruding to the opening direction of arc cavity from the arc supporting pad, are provided with a strain sensor at least between two arc supporting pads that are parallel to each other, and this strain sensor's power end with power management module's power output end is connected, strain sensor's output with data processing module connects.
4. The intelligent monitoring system for the high-voltage transmission line according to claim 1 or 3, characterized in that: the first support shell comprises a first cover body and a second cover body, wherein an L-shaped buckling lug groove is formed in the edge of an outer wall opening of the first support shell body along the crossing direction of a power transmission line, an L-shaped insertion rib matched and inserted with the L-shaped buckling lug groove is arranged in the edge of an outer wall opening of the first cover body along the crossing direction of the power transmission line, and the first support shell body and the first cover body are connected in an inserted mode through the L-shaped buckling lug groove and the L-shaped insertion rib which are matched with each other.
5. The intelligent monitoring system for the high-voltage transmission line according to claim 1 or 3, characterized in that: the power management module comprises a current sensor, a lightning protection circuit, a rectifying circuit, a capacitance energy storage circuit, a filter circuit, a DC-DC conversion circuit and an electronic control switch, wherein the current sensor is arranged between the lower arc-shaped supporting groove and the upper arc-shaped supporting groove and used for collecting current for monitoring a power transmission line, the output end of the current sensor is respectively connected with the input end of the lightning protection circuit and the input end of the rectifying circuit, the output end of the rectifying circuit is respectively connected with the anode of the capacitance energy storage circuit and the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the DC-DC conversion circuit, the output end of the DC-DC conversion circuit is connected with the input end of the electronic control switch, and the output end of the electronic control switch is respectively connected with the power end of the data processing module, the power end, The power end of the electric energy monitoring circuit is electrically connected with the power end of the image acquisition device, the data processing module comprises a data processor, a data memory, an audible and visual alarm, a GPS (global positioning system) positioner and a communication transceiving module, the output end of the environment monitoring sensor, the output end of the electric energy monitoring circuit, the output end of the image acquisition device, the data memory, the audible and visual alarm, the GPS positioner and the communication transceiving module are respectively connected with the data processing module, and the data processor is in wireless communication connection with the remote monitoring terminal through the communication transceiving module.
6. The monitoring method of the intelligent monitoring system for the high-voltage transmission line according to any one of claims 1 to 4, wherein the monitoring method comprises the following steps: the method comprises the following steps:
step 1: the method comprises the steps that measuring points of a power transmission line are arranged on a power tower, a power transmission line monitoring terminal is installed on a cross arm of the power tower, and electric energy on the power transmission line is obtained through a power management module and a power supply is provided for the power transmission line monitoring terminal;
step 2: the method comprises the steps that a power transmission line monitoring terminal monitors measurement points of a power transmission line in real time to obtain state information of a power tower, electric energy data of the corresponding power transmission line and environmental data information around the power transmission line;
and step 3: the remote monitoring terminal sends a polling task command to the multi-rotor unmanned aerial vehicle, the multi-rotor unmanned aerial vehicle acquires a guide signal sent by the UWB guide module, and the multi-rotor unmanned aerial vehicle approaches a power transmission line according to the guide signal to poll the periphery of a measurement point of the power transmission line;
and 4, step 4: the power transmission line monitoring terminal sends real-time monitoring information and the patrol and examine monitoring information of the multi-rotor unmanned aerial vehicle to the remote monitoring terminal for processing and analysis, if at least one of the monitoring information is found to have an abnormal fault, the reason of the abnormal fault is determined, and the power transmission line is overhauled and/or maintained.
7. The monitoring method of the intelligent monitoring system for the high-voltage transmission line according to claim 6, characterized in that: the state information of the electric power tower comprises vibration state information and inclination angle state information of the electric power tower relative to a measuring point, and the environmental data information around the power transmission line comprises temperature and humidity data, wind direction and wind speed data, illumination intensity data, air pressure data, ionizing radiation data and video image data; the power data for the power transmission line includes voltage data and current data obtained from the power transmission line.
8. The monitoring method of the intelligent monitoring system for the high-voltage transmission line according to claim 6, characterized in that: the remote monitoring terminal processes and analyzes the real-time monitoring information and the routing inspection monitoring information, the real-time monitoring information and the routing inspection monitoring information are classified respectively, the classified information is preprocessed respectively, the preprocessed information is subjected to matching analysis and recognition processing, corresponding monitoring information is obtained, whether abnormal faults occur in the monitoring information is judged, and then the transmission line is sent out to carry out maintenance and/or maintenance tasks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618022.7A CN110416914B (en) | 2019-07-10 | 2019-07-10 | Intelligent monitoring system and monitoring method for high-voltage transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910618022.7A CN110416914B (en) | 2019-07-10 | 2019-07-10 | Intelligent monitoring system and monitoring method for high-voltage transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416914A CN110416914A (en) | 2019-11-05 |
| CN110416914B true CN110416914B (en) | 2020-10-30 |
Family
ID=68360821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910618022.7A Active CN110416914B (en) | 2019-07-10 | 2019-07-10 | Intelligent monitoring system and monitoring method for high-voltage transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110416914B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432668A (en) * | 2020-11-25 | 2021-03-02 | 深圳市特发信息股份有限公司 | Smart power grids transmission line on-line monitoring device |
| CN112650098B (en) * | 2020-11-26 | 2022-01-28 | 国网河北省电力有限公司武安市供电分公司 | Unmanned aerial vehicle flight monitoring electric wire netting construction system |
| CN112542804B (en) * | 2020-11-30 | 2022-07-01 | 河南省同信电力工程有限公司 | New forms of energy electric power monitoring facilities |
| CN112683168B (en) * | 2020-12-18 | 2022-11-04 | 广东电网有限责任公司 | Strain tower pre-bias value detection structure and method |
| CN113178813A (en) * | 2021-04-25 | 2021-07-27 | 温州市森脉电力设备有限公司 | High-altitude power supply line maintenance method |
| CN113507166A (en) * | 2021-06-16 | 2021-10-15 | 国网河北省电力有限公司邯郸供电分公司 | Cable monitoring system and method |
| CN113791291B (en) * | 2021-08-23 | 2023-11-10 | 广东信通通信有限公司 | Smart power grids monitoring terminal system |
| CN115236285B (en) * | 2022-07-27 | 2024-02-09 | 国网安徽省电力有限公司经济技术研究院 | Intelligent monitoring and analyzing method, equipment and storage medium for energy power system emission |
| CN115441357A (en) * | 2022-09-22 | 2022-12-06 | 郑州卡诺电气有限公司 | AI intelligence transmission line on-line monitoring system |
| CN117009908B (en) * | 2023-09-25 | 2024-01-12 | 中国民用航空飞行学院 | Flight abnormal state identification and prediction system and method |
| CN117239933B (en) * | 2023-11-09 | 2024-02-09 | 国网辽宁省电力有限公司 | Power network transmission line detection device and system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247078Y (en) * | 2008-08-27 | 2009-05-27 | 山西省电力公司晋城供电分公司 | Synthesis monitoring system for transmission line |
| CN106025930A (en) * | 2016-07-30 | 2016-10-12 | 福州大学 | Unmanned aerial vehicle autonomous grid line patrol system |
| CN106230116A (en) * | 2016-07-30 | 2016-12-14 | 福州大学 | A kind of Modularized power based on unmanned plane monitoring system and control method thereof |
| CN106647778A (en) * | 2016-12-01 | 2017-05-10 | 国网四川省电力公司电力应急中心 | Unmanned helicopter automatic landing method based on UWB guidance |
| JP2017131019A (en) * | 2016-01-19 | 2017-07-27 | 中国電力株式会社 | Power transmission facility inspection system |
| KR101958266B1 (en) * | 2018-05-04 | 2019-03-14 | (주)지엠시스텍 | Inspection system of overhead power line and its inspection method |
-
2019
- 2019-07-10 CN CN201910618022.7A patent/CN110416914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247078Y (en) * | 2008-08-27 | 2009-05-27 | 山西省电力公司晋城供电分公司 | Synthesis monitoring system for transmission line |
| JP2017131019A (en) * | 2016-01-19 | 2017-07-27 | 中国電力株式会社 | Power transmission facility inspection system |
| CN106025930A (en) * | 2016-07-30 | 2016-10-12 | 福州大学 | Unmanned aerial vehicle autonomous grid line patrol system |
| CN106230116A (en) * | 2016-07-30 | 2016-12-14 | 福州大学 | A kind of Modularized power based on unmanned plane monitoring system and control method thereof |
| CN106647778A (en) * | 2016-12-01 | 2017-05-10 | 国网四川省电力公司电力应急中心 | Unmanned helicopter automatic landing method based on UWB guidance |
| KR101958266B1 (en) * | 2018-05-04 | 2019-03-14 | (주)지엠시스텍 | Inspection system of overhead power line and its inspection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110416914A (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110416914B (en) | Intelligent monitoring system and monitoring method for high-voltage transmission line | |
| US9158036B2 (en) | Method and system for monitoring power transmission line of power grid | |
| CN107607832B (en) | A kind of overhead transmission line on-line monitoring device based on contactless electricity getting system | |
| CN106970304B (en) | Simple power transmission line fault online positioning and monitoring system | |
| CN205333126U (en) | Transformer substation valve room hangs rail and patrols and examines robot | |
| CN209748248U (en) | Patrol and examine robot and charging device, electric energy output device thereof | |
| CN209148783U (en) | On-line monitoring system for metal oxide arrester | |
| CN112684517A (en) | Remote monitoring device for working environment of live working | |
| CN111082518A (en) | Power grid operation fault monitoring system based on multidimensional data | |
| CN112379383A (en) | Power transmission line channel forest monitoring system and method based on Beidou satellite technology | |
| CN204425045U (en) | Transformer station's wireless monitoring device | |
| CN106394888B (en) | Offline method on unmanned plane, inspection robot and inspection robot | |
| CN115932430A (en) | Fault identification method for 10kV fixed external series gap lightning arrester | |
| CN115967183A (en) | Power transmission line's system of patrolling and examining | |
| CN216206553U (en) | Transmission line shaft tower prevents typhoon on-line monitoring device based on 4G radio communication | |
| CN210608693U (en) | Micro-power consumption distribution line intelligent monitoring system | |
| CN112578311A (en) | Lightning arrester leakage current detection device and method | |
| CN109585101B (en) | Distribution network integral type lightning protection insulator based on internet of things | |
| CN111371032A (en) | Switch cabinet integrated holographic sensing intelligent terminal device | |
| CN111666705A (en) | Finite element analysis-based lead sag detection method and system | |
| CN113504580A (en) | Power transmission line micro-meteorological data early warning system and method based on cable induction power taking | |
| CN111981989A (en) | Power line field width detection platform | |
| CN113805009A (en) | Online detection and fault positioning system and method for circulating current parameters of power transmission cable | |
| CN111864908A (en) | Monitoring system of key equipment of power distribution network | |
| Mohammed et al. | Survey on Monitoring Systems for High Voltage Transmission Line Based on IoT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |