CN112995594A - Intelligent video online monitoring system for power transmission line - Google Patents

Intelligent video online monitoring system for power transmission line Download PDF

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Publication number
CN112995594A
CN112995594A CN202110180762.4A CN202110180762A CN112995594A CN 112995594 A CN112995594 A CN 112995594A CN 202110180762 A CN202110180762 A CN 202110180762A CN 112995594 A CN112995594 A CN 112995594A
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China
Prior art keywords
tower
online monitoring
transmission line
condition
module
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Pending
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CN202110180762.4A
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Chinese (zh)
Inventor
曹融
周封
郝文波
郝婷
孔旭
王昊
徐明宇
陈晓光
崔佳鹏
胡远婷
雷雪婷
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State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute
State Grid Corp of China SGCC
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State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute
State Grid Corp of China SGCC
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Priority to CN202110180762.4A priority Critical patent/CN112995594A/en
Publication of CN112995594A publication Critical patent/CN112995594A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/50Context or environment of the image
    • G06V20/52Surveillance or monitoring of activities, e.g. for recognising suspicious objects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/695Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

An intelligent video online monitoring system for a power transmission line belongs to the technical field of online monitoring of the power transmission line. The problem of transmission line on-line monitoring system use a large amount of sensors installation maintenance difficulty, the operation information of transmission line and shaft tower can't in time be obtained to the patrolling staff is solved. The invention comprises M online monitoring terminals, portable equipment and a network server; m online monitoring terminals are respectively arranged on M poles and towers; each online monitoring terminal monitors the icing and snow-covering condition, windage yaw, galloping condition and foreign matter condition of the power transmission line in real time based on a video acquisition mode; the monitoring system is also used for monitoring the inclination angle, the defect and the foreign matter condition of the tower to be monitored and the contamination degree condition of the insulator; each online monitoring terminal is also used for carrying out data communication with the portable equipment and the network server; and the portable equipment is used for displaying the data condition monitored by the online monitoring terminal. The intelligent monitoring system is mainly used for intelligently monitoring the power transmission line.

Description

Intelligent video online monitoring system for power transmission line
Technical Field
The invention belongs to the technical field of on-line monitoring of power transmission lines.
Background
With the high-speed development of economy, high-voltage transmission lines are more and more, the characteristics of wide distribution and complex environment make the monitoring and maintenance of the transmission lines difficult, and the factors influencing the safety of power equipment can be summarized as follows:
1. human factors mainly include stealing, climbing a tower, construction against regulations and the like;
2. the natural factors are mainly expressed as lightning stroke, storm, snow, landslide and the like;
the factors can generate short-term and long-term influence on the tower and the transmission line, and if the fault cannot be rapidly judged and processed, serious loss can be caused to the production and life of a power system and people; the electric power department also takes a great deal of measures, such as strengthening the inspection times, strength and the like, but the effects are very little; because the electric power transmission line has large dispersion in geographic position, manpower and material resources are wasted by manual inspection; therefore, the method has great significance for online monitoring of the power transmission line.
The existing power transmission line monitoring system mainly has the following defects:
1. most of the monitoring methods mainly adopt a sensor mode, video monitoring is an auxiliary means, parameters such as the environment, the temperature, the humidity, the wind speed, the wind direction, the windage yaw, the sag, the galloping and the tower inclination of the power transmission line are monitored in real time by adopting various sensors, the complexity and the instability of the system are increased by the excessive sensors, and the system cost is greatly increased; meanwhile, the sensors are complex to install, and the complex installation brings difficulty to system maintenance if an inclination angle sensor for monitoring the inclination of the tower needs to be installed on the tower, a tension sensor for monitoring the sag of the power transmission line needs to be installed on the power transmission line and the like;
2. the monitoring data collected by the online monitoring system mostly needs to be uploaded to a monitoring center for processing, so that the local processing cannot be realized, and the efficiency is low; the system with video monitoring is adopted, so that the uploading data volume of video image data is extremely large;
3. the line patrol personnel are difficult to obtain the operation information of the transmission line and the tower in time;
4. in the energy taking mode, the difficulty of power supply and installation is considered, the solar energy power taking and storage battery combined energy taking mode is adopted mostly, the mode is easily influenced by sunshine conditions, the reliability of system power supply is influenced, and the normal operation of the system is not facilitated. Therefore, the above problems need to be solved.
Disclosure of Invention
The invention aims to solve the problems that a power transmission line online monitoring system is difficult to install and maintain by using a large number of sensors, and line patrol personnel cannot acquire operation information of a power transmission line and a tower in time.
The intelligent video online monitoring system for the power transmission line comprises M online monitoring terminals 1, portable equipment 2 and a network server 3; m is an integer greater than 2;
m online monitoring terminals 1 are respectively arranged on M poles and towers 5;
each online monitoring terminal 1 monitors the icing and snow-coating condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4 between the tower 5 and the tower 5 adjacent to the tower 5 based on a video acquisition mode in real time; the device is also used for monitoring the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the device is located;
each online monitoring terminal 1 is also used for carrying out data communication with the portable equipment 2 and the network server 3;
each online monitoring terminal 1 is further configured to generate corresponding early warning information according to the monitored data condition, and send the early warning information to the portable device 2;
the portable device 2 is used for displaying the data condition monitored by any one online monitoring terminal 1; and is also used for data communication with the network server 3 by wireless transmission.
Preferably, the online monitoring terminal 1 includes a video image acquisition module 101, a microclimate acquisition module 102, a control analysis module 103, a storage module 1 104 and a communication module 1 105;
the microclimate acquisition module 102 is used for acquiring the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters of the environment where the microclimate acquisition module is located and sending the parameters to the control analysis module 103;
the video image acquisition module 101 is used for acquiring video information of the power transmission line 4 between the tower 5 and the tower 5 adjacent to the tower 5 in real time and sending the video information to the control analysis module 103;
the control analysis module 103 processes and analyzes the received video information according to the received temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters, and calculates the ice and snow covering condition, wind deflection, waving condition and foreign matter condition of the power transmission line 4 between the tower 5 where the current online monitoring terminal 1 is located and the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located, and the inclination angle, defect, foreign matter condition and insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located in real time;
the control analysis module 103 is further configured to compare the ice and snow covered condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4 between the tower 5 where the current online monitoring terminal 1 is located and the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located, and the received inclination angle, defect, foreign matter condition and insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located with corresponding threshold values, so as to perform early warning, and upload early warning information to the portable device 2 and the network server 3 through the No. 1 communication module 105;
the control analysis module 103 is further used for receiving the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters; and calculating the icing and snow-covering condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4 between the tower 5 where the current online monitoring terminal 1 is located and the tower 5 adjacent to the tower 5 where the current online monitoring terminal is located; and the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located, which are obtained by calculation, are uploaded to the portable device 2 and the network server 3 through the number 1 communication module 105;
the storage module No. 1 104 is further configured to perform data storage on the monitoring data received by the control analysis module 103.
Preferably, the online monitoring terminal 1 further includes a power supply module 106;
and the power taking power supply module 106 is used for storing the acquired electric energy into the storage battery in a CT power taking mode, and the electric energy stored in the storage battery is used for supplying power to the video image acquisition module 101, the microclimate acquisition module 102, the control analysis module 103, the No. 1 storage module 104 and the No. 1 communication module 105.
Preferably, the video image acquisition module 101 includes a zoom camera and a pan-tilt mechanism, and the zoom camera is mounted on the pan-tilt mechanism;
the holder mechanism is used for carrying out angle adjustment according to a control instruction sent by the control analysis module 103 so as to drive the zoom camera to carry out angle adjustment;
the zoom camera is controlled by the control analysis module 103 to perform zoom adjustment.
Preferably, the number 1 communication module 105 communicates with the network server 3 in a wired or wireless communication manner;
the communication module 1 105 also communicates with the portable device 2 in a wireless communication manner.
Preferably, the wireless communication mode includes a radio frequency mode and a GPRS communication mode;
the wired communication mode includes a carrier communication mode or an ethernet communication mode.
Preferably, the portable device 2 comprises a GPS positioning module 201, a microprocessor 202, a storage module No. 2 203, a display module 204, and a communication module No. 2 205;
a GPS positioning module 201 for determining a geographic location;
the No. 2 communication module 205 is configured to receive data monitored by the online monitoring terminal 1, and store the data in the No. 2 storage module 203 through the microprocessor 202;
the number 2 communication module 205 is further configured to implement communication with the network server 3;
the display module 204 is configured to display data monitored by the line monitoring terminal 1.
Preferably, the microclimate acquisition module 102 includes a temperature and humidity sensor, an air pressure sensor, a sunshine sensor, a wind speed sensor and a wind direction sensor;
the temperature and humidity sensor is used for acquiring the temperature and the humidity of the power transmission line 4 and uploading the temperature and the humidity to the control analysis module 103;
the air pressure sensor is used for acquiring the air pressure of the environment where the power transmission line 4 is located and uploading the air pressure to the control analysis module 103;
the sunshine sensor is used for collecting the light intensity of the environment where the power transmission line 4 is located and uploading the light intensity to the control analysis module 103;
the wind speed sensor is used for acquiring the wind speed of the environment where the power transmission line 4 is located and uploading the wind speed to the control analysis module 103;
and the wind direction sensor is used for acquiring the wind direction of the environment where the power transmission line 4 is located and uploading the wind direction to the control analysis module 103.
The invention has the following beneficial effects: according to the invention, the online monitoring terminal 1 is arranged on the tower 5 to monitor the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters of the power transmission line 4 around the tower 5; the ice and snow coating condition, the windage yaw, the galloping condition and the foreign matter condition of the power transmission line 4 around the tower 5 are detected; the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5 to be monitored are monitored in real time, and the whole online monitoring terminal 1 is not installed on a transmission line, so that the installation difficulty of the system is simplified, and the maintenance difficulty is reduced; when the method is applied specifically, a line patrol person carries the portable device 2 with him, and the operation information of the power transmission line and the tower can be acquired in real time through the online monitoring terminal 1.
The method comprises the steps that video information of a power transmission line 4 and a tower 5 is collected in real time through a video image collecting module 101 and is sent to a control analyzing module 103 for processing and analyzing, and the ice-covered snow-covered condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4, and the inclination angle, defect, foreign matter condition and insulator pollution degree condition of the tower 5 are calculated in real time; the use of sensors is reduced, and the system cost is reduced; the system structure is simpler, and the installation and maintenance are more convenient and flexible; meanwhile, the control analysis module 103 is adopted to realize local analysis processing, remote early warning and alarming of the monitoring data of the online monitoring system, improve the intellectualization and the working efficiency of the system and reduce the data transmission quantity of the communication module.
By adopting the portable equipment 2, the inspection personnel can receive the monitoring data and the corresponding early warning information of the online monitoring terminal 1 through the portable equipment 2, and the inspection personnel can conveniently detect the health conditions of the transmission line and the tower.
Drawings
FIG. 1 is a schematic diagram of an intelligent video online monitoring system for a power transmission line according to the present invention;
fig. 2 is a schematic diagram of the online monitoring terminal 1;
fig. 3 is a schematic diagram of the portable device 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, the present embodiment is described, and the intelligent video online monitoring system for a power transmission line according to the present embodiment includes M online monitoring terminals 1, a portable device 2, and a network server 3; m is an integer greater than 2;
m online monitoring terminals 1 are respectively arranged on M poles and towers 5;
each online monitoring terminal 1 monitors the icing and snow-coating condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4 between the tower 5 and the tower 5 adjacent to the tower 5 based on a video acquisition mode in real time; the device is also used for monitoring the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the device is located;
each online monitoring terminal 1 is also used for carrying out data communication with the portable equipment 2 and the network server 3;
each online monitoring terminal 1 is further configured to generate corresponding early warning information according to the monitored data condition, and send the early warning information to the portable device 2;
the portable device 2 is used for displaying the data condition monitored by any one online monitoring terminal 1; and is also used for data communication with the network server 3 by wireless transmission.
In the embodiment, the online monitoring terminal 1 is installed on a tower 5 to measure the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters of the power transmission line 4 around the tower 5; the ice and snow coating condition, the windage yaw, the galloping condition and the foreign matter condition of the power transmission line 4 around the tower 5 are detected; the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5 to be monitored are monitored in real time, and the whole online monitoring terminal 1 is not installed on a transmission line, so that the installation difficulty of the system is simplified, and the maintenance difficulty is reduced; when the method is applied specifically, a line patrol person carries the portable device 2 with him, and the operation information of the power transmission line and the tower can be acquired in real time through the online monitoring terminal 1.
Further, referring specifically to fig. 2, the online monitoring terminal 1 includes a video image acquisition module 101, a microclimate acquisition module 102, a control analysis module 103, a storage module 1 104 and a communication module 1 105;
the microclimate acquisition module 102 is used for acquiring the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters of the environment where the microclimate acquisition module is located and sending the parameters to the control analysis module 103;
the video image acquisition module 101 is used for acquiring video information of the power transmission line 4 between the tower 5 and the tower 5 adjacent to the tower 5 in real time and sending the video information to the control analysis module 103;
the control analysis module 103 processes and analyzes the received video information according to the received temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters, and calculates the ice and snow covering condition, wind deflection, waving condition and foreign matter condition of the power transmission line 4 between the tower 5 where the current online monitoring terminal 1 is located and the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located, and the inclination angle, defect, foreign matter condition and insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located in real time;
the control analysis module 103 is further configured to compare the ice and snow covered condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4 between the tower 5 where the current online monitoring terminal 1 is located and the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located, and the received inclination angle, defect, foreign matter condition and insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located with corresponding threshold values, so as to perform early warning, and upload early warning information to the portable device 2 and the network server 3 through the No. 1 communication module 105;
the control analysis module 103 is further used for receiving the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters; and calculating the icing and snow-covering condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4 between the tower 5 where the current online monitoring terminal 1 is located and the tower 5 adjacent to the tower 5 where the current online monitoring terminal is located; and the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5 adjacent to the tower 5 where the current online monitoring terminal 1 is located, which are obtained by calculation, are uploaded to the portable device 2 and the network server 3 through the number 1 communication module 105;
the storage module No. 1 104 is further configured to perform data storage on the monitoring data received by the control analysis module 103.
In the preferred embodiment, the video image acquisition module 101 is used for acquiring video information of the power transmission line 4 and the tower 5 in real time, and sending the video information to the control analysis module 103 for processing and analysis, so as to calculate the ice and snow covering condition, windage yaw, galloping condition and foreign matter condition of the power transmission line 4, and the inclination angle, defect, foreign matter condition and insulator contamination degree condition of the tower 5 in real time; the use of sensors is reduced, and the system cost is reduced; the system structure is simpler, and the installation and maintenance are more convenient and flexible; meanwhile, the control analysis module 103 is adopted to realize local analysis processing, remote early warning and alarming of the monitoring data of the online monitoring system, improve the intellectualization and the working efficiency of the system and reduce the data transmission quantity of the communication module.
In the preferred embodiment, the online monitoring terminal 1 calculates the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower 5, and can compare and analyze historical data stored in the storage module 104, and perform trend prediction by combining the early warning and the alarm limit value.
The control analysis module 103 is used for processing and analyzing the video information of the power transmission line 4 and the tower 5 acquired by the video image acquisition module 101 in real time, calculating the icing and snow covering condition, windage yaw and galloping condition and foreign matter condition of the power transmission line 4 in real time, and calculating the inclination angle, defect, foreign matter condition and insulator contamination degree condition of the tower 5 in real time by the prior art, and acquiring data in real time by comparing and processing the image in the acquired video information with the original image information.
The control analysis module 103 can be realized by 16-bit MSP430F247 microprocessor of TI company, which has ultra-low power consumption and abundant peripherals, and has 1 16-bit timer A with 3 comparison/capture channels and 1 16-bit timer B with 7 comparison/capture channels, and the microprocessor integrates 8-path 12-bit ADC module, and can rapidly process various digital signals, analog signals and pulse signals, and the microprocessor has 4 low power consumption modes besides the active mode, and reduces the system power consumption while realizing high performance.
Further, referring to fig. 2 specifically, the online monitoring terminal 1 further includes a power supply module 106;
and the power taking power supply module 106 is used for storing the acquired electric energy into the storage battery in a CT power taking mode, and the electric energy stored in the storage battery is used for supplying power to the video image acquisition module 101, the microclimate acquisition module 102, the control analysis module 103, the No. 1 storage module 104 and the No. 1 communication module 105.
In the preferred embodiment, a CT electricity taking mode is adopted to replace a solar electricity taking mode in the prior art, so that the defect that solar energy is easily affected by sunlight is overcome, the power supply stability is ensured, and the environmental adaptability of the system is improved; and the device is matched with a storage battery for use, so that the self-survival time of the system can be effectively prolonged, and a stable power supply is provided for the system.
Further, referring specifically to fig. 2, the video image acquisition module 101 includes a zoom camera and a pan-tilt mechanism, and the zoom camera is mounted on the pan-tilt mechanism;
the holder mechanism is used for carrying out angle adjustment according to a control instruction sent by the control analysis module 103 so as to drive the zoom camera to carry out angle adjustment;
the zoom camera is controlled by the control analysis module 103 to perform zoom adjustment.
Further, referring to fig. 1 and fig. 2 specifically, the communication module 105 No. 1 communicates with the network server 3 in a wired or wireless communication manner;
the communication module 1 105 also communicates with the portable device 2 in a wireless communication manner.
In the preferred embodiment, the portable device 2 is adopted, and the line patrol personnel can receive the monitoring data and the corresponding early warning information of the online monitoring terminal 1 through the portable device 2, so that the detection work of the line patrol personnel on the health conditions of the power transmission line and the tower is facilitated.
Further, referring to fig. 1 and fig. 2 specifically, the wireless communication mode includes a radio frequency mode and a GPRS communication mode;
the wired communication mode includes a carrier communication mode or an ethernet communication mode.
Further, referring specifically to fig. 3, the portable device 2 includes a GPS positioning module 201, a microprocessor 202, a storage module No. 2 203, a display module 204, and a communication module No. 2 205;
a GPS positioning module 201 for determining a geographic location;
the No. 2 communication module 205 is configured to receive data monitored by the online monitoring terminal 1, and store the data in the No. 2 storage module 203 through the microprocessor 202;
the number 2 communication module 205 is further configured to implement communication with the network server 3;
the display module 204 is configured to display data monitored by the line monitoring terminal 1.
Further, referring specifically to fig. 2, the microclimate acquisition module 102 includes a temperature and humidity sensor, an air pressure sensor, a sunshine sensor, a wind speed sensor, and a wind direction sensor;
the temperature and humidity sensor is used for acquiring the temperature and the humidity of the power transmission line 4 and uploading the temperature and the humidity to the control analysis module 103;
the air pressure sensor is used for acquiring the air pressure of the environment where the power transmission line 4 is located and uploading the air pressure to the control analysis module 103;
the sunshine sensor is used for collecting the light intensity of the environment where the power transmission line 4 is located and uploading the light intensity to the control analysis module 103;
the wind speed sensor is used for acquiring the wind speed of the environment where the power transmission line 4 is located and uploading the wind speed to the control analysis module 103;
and the wind direction sensor is used for acquiring the wind direction of the environment where the power transmission line 4 is located and uploading the wind direction to the control analysis module 103.
In the preferred embodiment, the temperature and humidity sensor can be a temperature and humidity sensor SHT10 based on CMOSensTM technology, which combines CMOS chip technology with sensor technology and has industry standardI2The output resolution of the C bus digital output interface, the humidity value and the temperature value is 14 bits and 12 bits respectively, the output resolution can be programmed into 12 bits and 8 bits, the current consumption of the sensor during measurement is 550 muA, the average current consumption is 28 muA, the current consumption is 3 muA during sleep, and the stability is good.
The air pressure sensor can adopt an MS5607-B air pressure sensor of Switzerland Intereman sensing instrument and comprises a high-linearity pressure sensor calibration coefficient internal factory and an ultra-low-power consumption 24-bit ADC. It provides an accurate digital 24-bit pressure and temperature value.
The sunshine sensor can be realized by a TBQ-2 sensor and is used for measuring sunshine intensity, the sensor outputs an analog voltage signal of 0-20 mV, and the analog voltage signal is modulated into an analog signal of 0-2.5V after multi-pole amplification.
The wind speed sensor can adopt a three-cup photoelectric wind speed sensor WAA15 with a low threshold value (0.4m/s) and a measuring range of 0-75 m/s, the output signal of the wind speed sensor is a pulse signal, the frequency of the signal is in direct proportion to the wind speed, and the wind speed measurement is completed through frequency counting in unit time.
The wind direction sensor is a single-wing vane, when the vane rotates, a Gray code disc (seven bits, the resolution is 2.8 degrees) is driven to rotate, and when the Gray code disc rotates by 2.8 degrees, the photoelectric tube group generates a new seven-bit parallel Gray code digital signal to be output.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (8)

1. The intelligent video online monitoring system for the power transmission line is characterized by comprising M online monitoring terminals (1), portable equipment (2) and a network server (3); m is an integer greater than 2;
m online monitoring terminals (1) are respectively arranged on M pole towers (5);
each online monitoring terminal (1) monitors the ice and snow covering condition, the windage yaw, the galloping condition and the foreign matter condition of the power transmission line (4) between the tower (5) and the tower (5) adjacent to the tower (5) based on a video acquisition mode in real time; the device is also used for monitoring the inclination angle, the defect and the foreign matter condition of the tower (5) adjacent to the tower (5) where the device is located and the contamination degree condition of the insulator;
each online monitoring terminal (1) is also used for carrying out data communication with the portable equipment (2) and the network server (3);
each online monitoring terminal (1) is also used for generating corresponding early warning information according to the monitored data condition and sending the early warning information to the portable equipment (2);
the portable equipment (2) is used for displaying the data condition monitored by any one online monitoring terminal (1); and is also used for carrying out data communication with the network server (3) in a wireless transmission mode.
2. The intelligent video online monitoring system for the power transmission line according to claim 1, wherein the online monitoring terminal (1) comprises a video image acquisition module (101), a microclimate acquisition module (102), a control analysis module (103), a No. 1 storage module (104) and a No. 1 communication module (105);
the microclimate acquisition module (102) is used for acquiring the temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters of the environment where the microclimate acquisition module is located and sending the parameters to the control analysis module (103);
the video image acquisition module (101) is used for acquiring video information of the power transmission line (4) between the tower (5) and the tower (5) adjacent to the tower (5) in real time and sending the video information to the control analysis module (103);
the control analysis module (103) processes and analyzes the received video information according to the received temperature, humidity, air pressure, light intensity, wind direction and wind speed parameters, and calculates the ice and snow covering condition, the wind deflection, the galloping condition and the foreign matter condition of the power transmission line (4) between the tower (5) where the current online monitoring terminal (1) is located and the tower (5) adjacent to the tower (5) where the current online monitoring terminal (1) is located, and the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower (5) adjacent to the tower (5) where the current online monitoring terminal (1) is located in real time;
the control analysis module (103) is also used for comparing the ice and snow covering condition, the windage yaw, the galloping condition and the foreign matter condition of the power transmission line (4) between the tower (5) where the current online monitoring terminal (1) is located and the tower (5) adjacent to the tower (5) where the current online monitoring terminal is located, and the received inclination angle, defect, foreign matter condition and insulator pollution degree condition of the tower (5) adjacent to the tower (5) where the current online monitoring terminal (1) is located with corresponding threshold values thereof, so as to perform early warning, and uploading early warning information to the portable equipment (2) and the network server (3) through the No. 1 communication module (105);
the control analysis module (103) is also used for receiving the temperature, the humidity, the air pressure, the light intensity, the wind direction and the wind speed parameters; and calculating the icing and snow-covering condition, windage yaw, galloping condition and foreign matter condition of the power transmission line (4) between the tower (5) where the current online monitoring terminal (1) is located and the tower (5) adjacent to the tower (5) where the current online monitoring terminal is located; and the inclination angle, the defect, the foreign matter condition and the insulator contamination degree condition of the tower (5) adjacent to the tower (5) where the current online monitoring terminal (1) is located, which are obtained through calculation, are uploaded to the portable equipment (2) and the network server (3) through the No. 1 communication module (105);
and the storage module (104) No. 1 is also used for storing the monitoring data received by the control analysis module (103).
3. The intelligent video online monitoring system for the power transmission line according to claim 2, wherein the online monitoring terminal (1) further comprises a power supply module (106);
the power taking power supply module (106) is used for storing the acquired electric energy into the storage battery in a CT power taking mode, and the electric energy stored in the storage battery is used for supplying power to the video image acquisition module (101), the microclimate acquisition module (102), the control analysis module (103), the No. 1 storage module (104) and the No. 1 communication module (105).
4. The intelligent online video monitoring system for the power transmission line according to claim 2, wherein the video image acquisition module (101) comprises a zoom camera and a holder mechanism, and the zoom camera is mounted on the holder mechanism;
the holder mechanism is used for carrying out angle adjustment according to a control instruction issued by the control analysis module (103), so as to drive the zoom camera to carry out angle adjustment;
and controlling the zoom camera to perform zoom adjustment through the control analysis module (103).
5. The intelligent video online monitoring system for the power transmission line according to claim 2, wherein the No. 1 communication module (105) is in communication with the network server (3) in a wired or wireless communication mode;
the number 1 communication module (105) is also communicated with the portable equipment (2) in a wireless communication mode.
6. The intelligent video online monitoring system for the power transmission line according to claim 5, wherein the wireless communication mode comprises a radio frequency mode and a GPRS communication mode;
the wired communication mode includes a carrier communication mode or an ethernet communication mode.
7. The intelligent video online monitoring system for the power transmission line according to claim 1, wherein the portable device (2) comprises a GPS positioning module (201), a microprocessor (202), a No. 2 storage module (203), a display module (204) and a No. 2 communication module (205);
a GPS positioning module (201) for determining a geographic location;
the number 2 communication module (205) is used for receiving data monitored by the online monitoring terminal (1) and storing the data in the number 2 storage module (203) through the microprocessor (202);
the number 2 communication module (205) is also used for realizing communication with the network server (3);
and the display module (204) is used for displaying the data monitored by the line monitoring terminal (1).
8. The intelligent online video monitoring system for the power transmission line according to claim 2, wherein the microclimate acquisition module (102) comprises a temperature and humidity sensor, an air pressure sensor, a sunshine sensor, a wind speed sensor and a wind direction sensor;
the temperature and humidity sensor is used for collecting the temperature and the humidity of the power transmission line (4) and uploading the temperature and the humidity to the control analysis module (103);
the air pressure sensor is used for collecting the air pressure of the environment where the power transmission line (4) is located and uploading the air pressure to the control analysis module (103);
the sunshine sensor is used for collecting the light intensity of the environment where the power transmission line (4) is located and uploading the light intensity to the control analysis module (103);
the wind speed sensor is used for acquiring the wind speed of the environment where the power transmission line (4) is located and uploading the wind speed to the control analysis module (103);
and the wind direction sensor is used for collecting the wind direction of the environment where the power transmission line (4) is located and uploading the wind direction to the control analysis module (103).
CN202110180762.4A 2021-02-08 2021-02-08 Intelligent video online monitoring system for power transmission line Pending CN112995594A (en)

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Application publication date: 20210618