CN110718033A - Monitoring and early warning system for preventing external damage of power transmission line and use method - Google Patents
Monitoring and early warning system for preventing external damage of power transmission line and use method Download PDFInfo
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- CN110718033A CN110718033A CN201910970101.4A CN201910970101A CN110718033A CN 110718033 A CN110718033 A CN 110718033A CN 201910970101 A CN201910970101 A CN 201910970101A CN 110718033 A CN110718033 A CN 110718033A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention relates to the technical field of power transmission line monitoring, in particular to a monitoring and early warning system for preventing external damage of a power transmission line and a using method, wherein the monitoring and early warning system comprises a power transmission line state monitoring unit, a power transmission line damage prevention triggering unit, a video monitoring unit, a front-end control unit, an alarm unit, a communication unit, a rear-end control unit and a power supply unit; the power transmission line state monitoring unit, the power transmission line damage prevention triggering unit, the video monitoring unit and the power supply unit are all connected with the front end control unit, the front end control unit is respectively connected with the alarm unit and the communication unit, and the communication unit is connected with the rear end control unit. The invention realizes the monitoring and early warning of external damage prevention of the power transmission line by integrating triggering, analysis and recording, realizes the remote real-time effective monitoring of the hidden danger point of the external damage of the power transmission line, provides guarantee for timely and actively preventing the external damage, improves the monitoring efficiency, reduces the workload generated by the field inspection of personnel, and ensures the safe operation of the power transmission line.
Description
Technical Field
The invention relates to the technical field of power transmission line monitoring, in particular to a monitoring and early warning system for preventing external force damage of a power transmission line and a using method.
Background
In recent years, with the rapid development of economic society, the scale of urban planning and construction is continuously enlarged, the construction of roads, railways and pipeline networks is frequent, various large-scale construction mechanical equipment in a power facility protection area is widely used, and the probability of an external damage event of a power transmission line is continuously increased. The external force damage event not only brings unpredictable economic loss to power supply companies and power consumers, but also causes potential safety hazards to the power grid and poses great threat to life and property of people. Due to the particularity of the geographical position and the environmental condition of the power line, the tower is installed in a plurality of places, the area is wide, the distance is long, the power transmission and transformation equipment is in a field exposure state for a long time, the operation condition of the line can be mastered only through manual line patrol, single video monitoring and other modes, the mastered information in the traditional mode is lagged, passive reception is realized, timely and active protection and early warning cannot be realized, the field condition is changed instantly, the accident happens only instantly, and the external force damage prevention work of the power transmission line becomes very difficult.
Disclosure of Invention
The invention provides a monitoring and early warning system for preventing external damage of a power transmission line and a using method thereof, overcomes the defects of the prior art, and can effectively solve the problems of low efficiency and untimely warning in the conventional mode of monitoring the external damage of the power transmission line by manual line patrol or single video monitoring.
One of the technical schemes of the invention is realized by the following measures: a monitoring and early warning system for preventing external damage to a power transmission line comprises a power transmission line state monitoring unit, a power transmission line damage prevention triggering unit, a video monitoring unit, a front end control unit, an alarm unit, a communication unit, a rear end control unit and a power supply unit capable of taking power from the power transmission line; the power transmission line state monitoring unit and the power transmission line anti-damage triggering unit are arranged on the power transmission line, the front end control unit, the video monitoring unit, the communication unit and the alarm unit are arranged on a tower on one side of the power transmission line, the power transmission line state monitoring unit, the power transmission line anti-damage triggering unit, the video monitoring unit and the power supply unit are all connected with the front end control unit, the front end control unit is respectively connected with the alarm unit and the communication unit, and the communication unit is connected with the rear end control unit;
the back end control unit comprises a video server, a web server, a database server and a short message server, wherein:
the video server is used for storing the video data acquired by the video monitoring unit and analyzing the video data;
the web server is used for providing online information browsing service for the terminal;
the data server is used for storing system data;
and the short message server is used for sending instruction information to the staff.
The following is further optimization or/and improvement of the technical scheme of the invention:
the power transmission line damage prevention trigger unit can comprise a radar trigger module and a laser trigger module, the radar trigger module is arranged on a power transmission line between two towers, the radar trigger module comprises a gravity acceleration sensor, a radar host and at least three radars, the three radars monitor the front, middle and back regions below the power transmission line respectively, the radar host is connected with the gravity acceleration sensor and each radar respectively, the laser trigger module is arranged on the tower on one side of the power transmission line, and the radar host and the laser trigger module are connected with a front end control unit.
The power supply unit can include the battery, transmission line gets electric module, solar charging module and double-circuit charging control module, and transmission line gets electric module, solar charging module and is connected with double-circuit charging control module, and double-circuit charging control module is connected with the battery.
The communication unit can include fiber switch and wireless AP, and the front end control unit is connected with fiber switch, and fiber switch passes through optic fibre and is connected with wireless AP, and wireless AP passes through optic fibre and is connected with the rear end control unit.
The alarm unit can include warning lamp module and megaphone, and warning lamp module and megaphone all are connected with front end control unit.
The front-end control unit can comprise a digital signal processing module and a control module, wherein the digital signal processing module is connected with the control module, and the control module is connected with the communication unit.
The second technical scheme of the invention is realized by the following measures: a use method of an external damage prevention monitoring and early warning system for a power transmission line comprises the following steps:
the radar triggering module finds the moving object and obtains the position and the vertical height of the moving object;
the radar triggering module judges whether the position and the vertical height of the moving object do not exceed a safety threshold value, and sends early warning information to the front-end control unit in response to the judgment;
the laser triggering module judges whether the laser triggering module is triggered by a moving object or not, and sends early warning information to the front-end control unit if the laser triggering module responds to the triggering;
and when the front-end control unit receives any one alarm message, the alarm unit and the video monitoring unit are started.
The following is further optimization or/and improvement of the technical scheme of the invention:
the above-mentioned front end control unit starts alarm unit and video monitoring unit, can specifically include:
starting an alarm unit, and carrying out sound-light alarm by the alarm unit according to a preset time interval;
and starting the video monitoring unit, tracking and shooting the video data of the moving object by the video monitoring unit, sequentially sending the video data to the rear-end control unit through the front-end control unit and the communication unit, and analyzing the video data by the rear-end control unit.
The radar trigger module finds the moving object, acquires the position and the vertical height of the moving object, and may specifically include:
a certain radar finds a moving object and obtains the distance between the moving object and the radar;
the gravity acceleration sensor obtains an offset angle, wherein the offset angle is the offset angle of the radar relative to the initial position of the radar at present;
and calculating the position and the vertical height of the moving object according to the offset angle, the initial position of the radar and the distance between the moving object and the radar.
The invention has simple structure and convenient use, realizes the monitoring and early warning of the external force damage prevention of the power transmission line by the trigger unit, the video monitoring unit, the front end control unit, the alarm unit and the rear end control unit which are integrated by triggering, analyzing and recording, replaces the monitoring mode of the external force damage prevention of the power transmission line such as the original manual patrol or single video monitoring, realizes the remote real-time effective monitoring of the hidden danger point of the external force damage of the power transmission line, provides guarantee for timely and actively preventing the external force damage behavior, improves the monitoring efficiency, reduces the workload generated by the field patrol of personnel, and ensures the safe operation of the power transmission line. Meanwhile, the radar trigger module and the laser trigger module can realize 24-hour uninterrupted and dead-angle-free monitoring for preventing external damage of the power transmission line, the effectiveness of monitoring work is guaranteed, and the problem that single video monitoring is insufficient in preventing external damage monitoring at night is solved.
Drawings
Fig. 1 is a schematic circuit diagram of embodiment 1 of the present invention.
FIG. 2 is a flow chart of example 2 of the present invention.
Fig. 3 is a flowchart of acquiring the position and vertical height of the moving object in embodiment 2 of the present invention.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
The invention is further described with reference to the following examples and figures:
example 1: as shown in fig. 1, the power transmission line external damage prevention monitoring and early warning system comprises a power transmission line state monitoring unit, a power transmission line damage prevention triggering unit, a video monitoring unit, a front end control unit, an alarm unit, a communication unit, a rear end control unit and a power supply unit capable of taking power from the power transmission line; the power transmission line state monitoring unit and the power transmission line anti-damage triggering unit are arranged on the power transmission line, the front end control unit, the video monitoring unit, the communication unit and the alarm unit are arranged on a tower on one side of the power transmission line, the power transmission line state monitoring unit, the power transmission line anti-damage triggering unit, the video monitoring unit and the power supply unit are all connected with the front end control unit, the front end control unit is respectively connected with the alarm unit and the communication unit, and the communication unit is connected with the rear end control unit;
the back end control unit comprises a video server, a web server, a database server and a short message server, wherein:
the video server is used for storing the video data acquired by the video monitoring unit and analyzing the video data;
the web server is used for providing online information browsing service for the terminal;
the data server is used for storing system data;
and the short message server is used for sending instruction information to the staff.
The power transmission line state monitoring unit is a known technology in the prior art, can be a wire temperature measuring sensor and is used for detecting the temperature of a power transmission line and sending the temperature to the rear-end control unit through the front-end control unit and the communication unit in sequence, so that the rear-end control unit can monitor the temperature of the power transmission line in real time and provide a power transmission line capacity increase suggestion by combining a power transmission line capacity increase calculation model. Above-mentioned transmission line damage prevention trigger unit is used for monitoring whether have the removal thing can cause the external force to destroy to the transmission line, if judge that the removal thing can cause the external force to destroy to the transmission line, then can trigger alarm information to send alarm information to front end control unit. The front-end control unit is a known technology in the prior art and is used for controlling the alarm unit and the video monitoring unit. The video monitoring unit is a known technology in the prior art, and can be a high-definition camera with a holder, and is used for tracking a moving object and acquiring video data of the moving object. The alarm unit can be an audible and visual alarm. The communication unit is a conventional technology, and may be a 4G wireless communication module. The power supply unit can get power from the power transmission line, and stable operation of the system is guaranteed. The rear-end control unit can be connected with the terminal, so that a worker can check related monitoring analysis data and results through the terminal.
The invention has simple structure and convenient use, realizes the monitoring and early warning of the external force damage prevention of the power transmission line by the trigger unit, the video monitoring unit, the front end control unit, the alarm unit and the rear end control unit which are integrated by triggering, analyzing and recording, replaces the monitoring mode of the external force damage prevention of the power transmission line such as the original manual patrol or single video monitoring, realizes the remote real-time effective monitoring of the hidden danger point of the external force damage of the power transmission line, provides guarantee for timely and actively preventing the external force damage behavior, improves the monitoring efficiency, reduces the workload generated by the field patrol of personnel, and ensures the safe operation of the power transmission line.
The monitoring and early warning system for preventing the external force damage of the power transmission line can be further optimized or/and improved according to actual needs:
as shown in the attached drawing 1, the anti-damage triggering unit of the power transmission line comprises a radar triggering module and a laser triggering module, the radar triggering module is arranged on the power transmission line between two towers, the radar triggering module comprises a gravity acceleration sensor, a radar host and at least three radars, the three radars monitor the front, middle and rear three areas below the power transmission line respectively, the radar host is connected with the gravity acceleration sensor and each radar respectively, the laser triggering module is arranged on the tower on one side of the power transmission line, and the radar host and the laser triggering module are connected with a front-end control unit.
The radar trigger module can be arranged on the sag of the power transmission line between the two towers, the radar trigger module comprises a gravity acceleration sensor, a radar host and at least three radars, the arrangement of the at least three radars can ensure that the monitoring range of the radars covers three areas, namely the front area, the middle area and the rear area of the power transmission line between the two towers, and the monitoring dead angle between the two towers is avoided, so that the possibility that the power transmission line is damaged by external force can be judged in advance; because the transmission line has the possibility of conductor galloping and sag change, when the conductor galloping or sag change occurs, the measurement of the vertical distance to the ground of the radar trigger module can be deviated, and therefore, the gravity acceleration sensor is additionally arranged in the invention, and the deviation angle generated by the radar trigger module can be calculated; the radar host is used for determining the position and the vertical height of the moving object (which can be calculated according to a trigonometric function) according to data returned by the radar and the gravity acceleration sensor, comparing the position and the vertical height of the moving object with a preset safety threshold value, and determining whether to send early warning information to the front-end control unit.
The laser trigger module is the prior known technology and can be a laser alarm; during installation, the laser ray of the laser alarm needs to be aligned to a set position below the arc of the power transmission line between two towers, the laser ray of the laser alarm on different power transmission lines is aligned to different positions, such as the 110kV power transmission line, the laser ray can be aligned to the position 5 meters or below 5 meters below the arc of the power transmission line, the power transmission line of 220kV, the laser ray can be aligned to the position 6 meters or below 6 meters below the arc of the power transmission line, the power transmission line of 500kV, and the laser ray can be aligned to the position 8.5 meters or below 8.5 meters below the arc of the power transmission line; and the front end control unit generates different early warning identifications after receiving the early warning information of different laser alarms and controls the alarm unit to broadcast different early warning contents.
The invention can realize 24-hour uninterrupted and dead-angle-free monitoring for preventing external damage of the power transmission line through the radar trigger module and the laser trigger module, ensures the effectiveness of monitoring work, and overcomes the defect of preventing external damage monitoring at night by single video monitoring.
As shown in fig. 1, the power supply unit includes a storage battery, a power-taking module of the power transmission line, a solar charging module and a dual-charging control module, both the power-taking module of the power transmission line and the solar charging module are connected with the dual-charging control module, and the dual-charging control module is connected with the storage battery.
The storage battery, the power taking module of the power transmission line, the solar charging module and the double-circuit charging control module are all in the prior art, wherein the power taking module of the power transmission line can comprise a current transformer and a filtering and voltage stabilizing circuit, the double-circuit charging control module can be a change-over switch, and the front-end control unit controls the double-circuit charging control module to perform switching control so as to complete charging selection.
As shown in fig. 1, the communication unit includes an optical fiber switch and a wireless AP, the front-end control unit is connected to the optical fiber switch, the optical fiber switch is connected to the wireless AP through an optical fiber, and the wireless AP is connected to the back-end control unit through an optical fiber.
The invention adopts a hybrid communication mode which takes OPGW optical fiber as a main mode and WIFI wireless communication as an auxiliary mode, so as to meet the requirement of video transmission and realize the stable transmission of front-end data.
As shown in fig. 1, the alarm unit includes an alarm lamp module and a megaphone, and both the alarm lamp module and the megaphone are connected with the front end control unit.
As shown in fig. 1 and 2, the front-end control unit includes a digital signal processing module and a control module, the digital signal processing module is connected with the control module, and the control module is connected with the communication unit.
The digital signal processing module and the control module are both in the prior known technology, and the digital signal processing module is a digital signal processor and is used for carrying out analog-to-digital conversion and processing on data acquired at the front end; the control module can be an ARM processor and is used for generating a control command according to the data processed by the digital signal processing module and receiving and executing the control command at the rear end.
Example 2: as shown in fig. 2, a method for using a monitoring and early warning system for preventing external damage to a power transmission line includes the following steps:
the radar triggering module finds the moving object and obtains the position and the vertical height of the moving object;
the radar triggering module judges whether the position and the vertical height of the moving object do not exceed a safety threshold value, and sends early warning information to the front-end control unit in response to the judgment;
the laser triggering module judges whether the laser triggering module is triggered by a moving object or not, and sends early warning information to the front-end control unit if the laser triggering module responds to the triggering;
and when the front-end control unit receives any one alarm message, the alarm unit and the video monitoring unit are started.
The radar trigger module judges whether the position and the vertical height of the moving object do not exceed a safety threshold, wherein the safety threshold comprises a safety threshold in the horizontal direction and a safety threshold in the vertical direction, and the specific judgment process comprises the following steps:
1. obtaining the distance between the moving object and the power transmission line perpendicular to the power transmission line according to the position of the moving object, and judging whether the distance between the moving object and the power transmission line perpendicular to the power transmission line does not exceed a safety threshold value in the horizontal direction;
2. judging whether the vertical height of the moving object does not exceed a safety threshold value in the vertical direction;
3. and if not, sending early warning information to the front-end control unit.
When the front-end control unit receives the early warning information, the front-end control unit distinguishes identification according to the content of the early warning information and controls the megaphone to play different warning contents, wherein the identification comprises two types of 'an object enters an early warning area but an accident does not occur' and 'an object breaks through the early warning area and the accident occurs'.
The use method of the monitoring and early warning system for preventing the external force damage of the power transmission line can be further optimized or/and improved according to actual needs:
as shown in fig. 2, the front-end control unit starts the alarm unit and the video monitoring unit, and specifically includes:
starting an alarm unit, and carrying out sound-light alarm by the alarm unit according to a preset time interval;
and starting the video monitoring unit, tracking and shooting the video data of the moving object by the video monitoring unit, sequentially sending the video data to the rear-end control unit through the front-end control unit and the communication unit, and analyzing the video data by the rear-end control unit.
The video monitoring unit can also be remotely and passively triggered and controlled by the back-end control unit. The rear-end control unit can perform visual image differential analysis on the received video data; the video server in the rear-end control unit is internally provided with an intrusion object model in advance, a moving object in video data can be identified through the model, the behavior development track of the moving object is analyzed, the result is displayed for workers, meanwhile, the destructive behavior can be recorded into the database server, deep mining analysis can be performed on the analyzed destructive behavior by utilizing big data, typical characteristics are counted, the workers can be assisted to know contents such as zones with high probability, object types and destructive behaviors more accurately, and data support is provided for monitoring and early warning of external force damage prevention of a power transmission line.
As shown in fig. 2 and 3, the radar triggering module finds a moving object and obtains a vertical height of the moving object, and specifically includes:
a certain radar finds a moving object and obtains the distance between the moving object and the radar;
the gravity acceleration sensor obtains an offset angle, wherein the offset angle is the offset angle of the radar relative to the initial position of the radar at present;
and calculating the position and the vertical height of the moving object according to the offset angle, the initial position of the radar and the distance between the moving object and the radar.
The position and the vertical height of the moving object can be calculated by utilizing the offset angle, the initial position of the radar and the distance between the moving object and the radar through the trigonometric function principle, wherein the position of the moving object is the distance between the moving object and the radar trigger module, and the distance is perpendicular to the power transmission line.
The initial position of the radar is an included angle between the radar and the horizontal position of the radar and an included angle between the radar and the vertical direction of the radar.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. The monitoring and early warning system for preventing the external damage of the power transmission line is characterized by comprising a power transmission line state monitoring unit, a power transmission line damage prevention triggering unit, a video monitoring unit, a front-end control unit, an alarm unit, a communication unit, a rear-end control unit and a power supply unit capable of taking power from the power transmission line; the power transmission line state monitoring unit and the power transmission line anti-damage triggering unit are arranged on the power transmission line, the front end control unit, the video monitoring unit, the communication unit and the alarm unit are arranged on a tower on one side of the power transmission line, the power transmission line state monitoring unit, the power transmission line anti-damage triggering unit, the video monitoring unit and the power supply unit are all connected with the front end control unit, the front end control unit is respectively connected with the alarm unit and the communication unit, and the communication unit is connected with the rear end control unit;
the back end control unit comprises a video server, a web server, a database server and a short message server, wherein:
the video server is used for storing the video data acquired by the video monitoring unit and analyzing the video data;
the web server is used for providing online information browsing service for the terminal;
the data server is used for storing system data;
and the short message server is used for sending instruction information to the staff.
2. The system of claim 1, wherein the power transmission line damage prevention triggering unit comprises a radar triggering module and a laser triggering module, the radar triggering module is arranged on the power transmission line between the two towers, the radar triggering module comprises a gravitational acceleration sensor, a radar host and at least three radars, the three radars are used for monitoring the front, middle and rear three areas below the power transmission line respectively, the radar host is connected with the gravitational acceleration sensor and each radar respectively, the laser triggering module is arranged on the tower on one side of the power transmission line, and the radar host and the laser triggering module are connected with the front end control unit.
3. The system of claim 1, wherein the power supply unit comprises a storage battery, a power-taking module of the power transmission line, a solar charging module and a dual-charging control module, the power-taking module of the power transmission line and the solar charging module are both connected with the dual-charging control module, and the dual-charging control module is connected with the storage battery.
4. The external force damage prevention monitoring and early warning system for the power transmission line according to claim 1, 2 or 3, wherein the communication unit comprises an optical fiber switch and a wireless AP, the front-end control unit is connected with the optical fiber switch, the optical fiber switch is connected with the wireless AP through an optical fiber, and the wireless AP is connected with the rear-end control unit through an optical fiber.
5. The external force damage prevention monitoring and early warning system for the power transmission line according to claim 1, 2 or 3, wherein the warning unit comprises a warning lamp module and a megaphone, and the warning lamp module and the megaphone are both connected with the front end control unit.
6. The monitoring and early warning system for preventing external force damage to the power transmission line according to claim 4, wherein the warning unit comprises a warning lamp module and a megaphone, and the warning lamp module and the megaphone are both connected with the front-end control unit.
7. The monitoring and early warning system for preventing the external force damage of the power transmission line according to claim 1, 2, 3 or 6, wherein the front end control unit comprises a digital signal processing module and a control module, the digital signal processing module is connected with the control module, and the control module is connected with the communication unit.
8. The use method of the external force damage prevention monitoring and early warning system for the power transmission line according to any one of claims 2 to 7 is characterized by comprising the following steps:
the radar triggering module finds the moving object and obtains the position and the vertical height of the moving object;
the radar triggering module judges whether the position and the vertical height of the moving object do not exceed a safety threshold value, and sends early warning information to the front-end control unit in response to the judgment;
the laser triggering module judges whether the laser triggering module is triggered by a moving object or not, and sends early warning information to the front-end control unit if the laser triggering module responds to the triggering;
and when the front-end control unit receives any one alarm message, the alarm unit and the video monitoring unit are started.
9. The use method of the external damage prevention monitoring and early warning system for the power transmission line according to claim 7, wherein the front end control unit starts an alarm unit and a video monitoring unit, and specifically comprises:
starting an alarm unit, and carrying out sound-light alarm by the alarm unit according to a preset time interval;
and starting the video monitoring unit, tracking and shooting the video data of the moving object by the video monitoring unit, sequentially sending the video data to the rear-end control unit through the front-end control unit and the communication unit, and analyzing the video data by the rear-end control unit.
10. The use method of the monitoring and early warning system for preventing external force damage to the power transmission line according to claim 8 or 9, wherein the radar trigger module finds the moving object and obtains the position and the vertical height of the moving object, and specifically comprises:
a certain radar finds a moving object and obtains the distance between the moving object and the radar;
the gravity acceleration sensor obtains an offset angle, wherein the offset angle is the offset angle of the radar relative to the initial position of the radar at present;
and calculating the position and the vertical height of the moving object according to the offset angle, the initial position of the radar and the distance between the moving object and the radar.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111917180A (en) * | 2020-07-02 | 2020-11-10 | 广东电网有限责任公司 | Intelligent power tower monitoring system |
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CN114243903A (en) * | 2021-11-18 | 2022-03-25 | 深圳飞赛精密钣金技术有限公司 | Online capacity increasing method and system for power transmission line, storage medium and selector |
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CN111917180A (en) * | 2020-07-02 | 2020-11-10 | 广东电网有限责任公司 | Intelligent power tower monitoring system |
CN111917180B (en) * | 2020-07-02 | 2024-04-26 | 广东电网有限责任公司 | Intelligent power tower monitoring system |
CN112598864A (en) * | 2020-12-03 | 2021-04-02 | 国网福建省电力有限公司莆田供电公司 | High-precision laser radar active external damage prevention system for power transmission line |
CN112712682A (en) * | 2020-12-30 | 2021-04-27 | 国网青海省电力公司黄化供电公司 | Active early warning inspection monitoring method based on power transmission and distribution line |
CN112837484A (en) * | 2020-12-30 | 2021-05-25 | 国网青海省电力公司黄化供电公司 | Early-warning type external damage prevention management and control method for power transmission and distribution line |
CN113870504A (en) * | 2021-10-28 | 2021-12-31 | 沈阳工程学院 | AI and radar detection based overhead line external damage prevention monitoring system and method |
CN113960431A (en) * | 2021-10-28 | 2022-01-21 | 沈阳工程学院 | Intelligent overhead cable external-damage-prevention monitoring system and method |
CN114243903A (en) * | 2021-11-18 | 2022-03-25 | 深圳飞赛精密钣金技术有限公司 | Online capacity increasing method and system for power transmission line, storage medium and selector |
CN114243903B (en) * | 2021-11-18 | 2023-10-03 | 深圳飞赛精密钣金技术有限公司 | Online capacity increasing method, system, storage medium and selector for power transmission line |
CN115063953A (en) * | 2022-05-23 | 2022-09-16 | 国网河北省电力有限公司保定供电分公司 | Intelligent protection early warning method, device and system for power transmission line and electronic equipment |
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